PerfectNumberQ

利用可能

Test if a number is perfect (sum of proper divisors equals itself).

形式

PerfectNumberQ[n]

検証済みの例PerfectNumberQ[6] → True

Qurakで実行リファレンスを検索

トピック

Multiplicative Number Theory - Perfect Numbers
New In104 Alphabetical Listing - P
Summary Of New Features In141 - Functions Enhanced in Compiled Code
Summary Of New Features In141 - Functions Enhanced in Compiled Code

関連

PerfectNumber Divisors DivisorSigma MersennePrimeExponent MersennePrimeExponentQ PolygonalNumber HarmonicNumber AlternatingFactorial BellB BinCounts CompositeQ Cross

全 6300 関数 · MCPクライアントから使う