31234749

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{677}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 51636480

約数和(自身を除く): 20401731

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 677, 1183, 2031, 2197, 3549, 4739, 6591, 8801, 14217, 15379, 26403, 46137, 61607, 114413, 184821, 343239, 800891, 1487369, 2402673, 4462107, 10411583, 31234749]

約数ペア:

[(1, 31234749), (3, 10411583), (7, 4462107), (13, 2402673), (21, 1487369), (39, 800891), (91, 343239), (169, 184821), (273, 114413), (507, 61607), (677, 46137), (1183, 26403), (2031, 15379), (2197, 14217), (3549, 8801), (4739, 6591)]