31869279

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{647}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 49768992

約数和(自身を除く): 17899713

約数列:

[1, 3, 9, 13, 39, 117, 421, 647, 1263, 1941, 3789, 5473, 5823, 8411, 16419, 25233, 49257, 75699, 272387, 817161, 2451483, 3541031, 10623093, 31869279]

約数ペア:

[(1, 31869279), (3, 10623093), (9, 3541031), (13, 2451483), (39, 817161), (117, 272387), (421, 75699), (647, 49257), (1263, 25233), (1941, 16419), (3789, 8411), (5473, 5823)]