81007991

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{359}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 87091200

約数和(自身を除く): 6083209

約数列:

[1, 29, 31, 251, 359, 899, 7279, 7781, 10411, 11129, 90109, 225649, 322741, 2613161, 2793379, 81007991]

約数ペア:

[(1, 81007991), (29, 2793379), (31, 2613161), (251, 322741), (359, 225649), (899, 90109), (7279, 11129), (7781, 10411)]