DivisorSigma[k, 46] == 1 + 2^k + 23^k + 46^k

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<math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'> <semantics> <mrow> <mrow> <msub> <semantics> <mi> &#963; </mi> <annotation encoding='Mathematica'> TagBox[&quot;\[Sigma]&quot;, DivisorSigma] </annotation> </semantics> <mi> k </mi> </msub> <mo> ( </mo> <mn> 46 </mn> <mo> ) </mo> </mrow> <mo> &#10869; </mo> <mrow> <mn> 1 </mn> <mo> + </mo> <msup> <mn> 2 </mn> <mi> k </mi> </msup> <mo> + </mo> <msup> <mn> 23 </mn> <mi> k </mi> </msup> <mo> + </mo> <msup> <mn> 46 </mn> <mi> k </mi> </msup> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <eq /> <apply> <ci> DivisorSigma </ci> <ci> k </ci> <cn type='integer'> 46 </cn> </apply> <apply> <plus /> <cn type='integer'> 1 </cn> <apply> <power /> <cn type='integer'> 2 </cn> <ci> k </ci> </apply> <apply> <power /> <cn type='integer'> 23 </cn> <ci> k </ci> </apply> <apply> <power /> <cn type='integer'> 46 </cn> <ci> k </ci> </apply> </apply> </apply> </annotation-xml> </semantics> </math>

Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["DivisorSigma", "[", RowBox[List["k", ",", "46"]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List["1", "+", SuperscriptBox["2", "k"], "+", SuperscriptBox["23", "k"], "+", SuperscriptBox["46", "k"]]]]]]]

2001-10-29