285400521

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{11411}}^1$

素因数の和:11821

約数の個数: 24

約数和(自身を含む): 472365504

約数和(自身を除く): 186964983

約数列:

[1, 3, 7, 9, 21, 63, 397, 1191, 2779, 3573, 8337, 11411, 25011, 34233, 79877, 102699, 239631, 718893, 4530167, 13590501, 31711169, 40771503, 95133507, 285400521]

約数ペア:

[(1, 285400521), (3, 95133507), (7, 40771503), (9, 31711169), (21, 13590501), (63, 4530167), (397, 718893), (1191, 239631), (2779, 102699), (3573, 79877), (8337, 34233), (11411, 25011)]