PerfectNumber

可用

Gives the nth perfect number.

形式

PerfectNumber[n]

验证过的示例PerfectNumber[n] → PerfectNumber::pintprm: Parameter n at position 1 in PerfectNumber[n] is expected to be a positive integer. PerfectNumber[n]

在 Qurak 上运行搜索参考

主题

Multiplicative Number Theory - Perfect Numbers
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相关

PerfectNumberQ Divisors DivisorSigma MersennePrimeExponent MersennePrimeExponentQ PolygonalNumber AlternatingFactorial BellB BinCounts CompositeQ Cross DeBruijnSequence

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