221775671

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{997}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 243448128

約数和(自身を除く): 21672457

約数列:

[1, 13, 71, 241, 923, 997, 3133, 12961, 17111, 70787, 222443, 240277, 920231, 3123601, 17059667, 221775671]

約数ペア:

[(1, 221775671), (13, 17059667), (71, 3123601), (241, 920231), (923, 240277), (997, 222443), (3133, 70787), (12961, 17111)]