81538427

素因数分解:

${\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 86840640

約数和(自身を除く): 5302213

約数列:

[1, 23, 113, 137, 229, 2599, 3151, 5267, 15481, 25877, 31373, 356063, 595171, 721579, 3545149, 81538427]

約数ペア:

[(1, 81538427), (23, 3545149), (113, 721579), (137, 595171), (229, 356063), (2599, 31373), (3151, 25877), (5267, 15481)]