389621883

素因数分解:

$3^1\times 7^2\times {\mathrm{1039}}^1\times {\mathrm{2551}}^1$

素因数の和:3607

約数の個数: 24

約数和(自身を含む): 605130240

約数和(自身を除く): 215508357

約数列:

[1, 3, 7, 21, 49, 147, 1039, 2551, 3117, 7273, 7653, 17857, 21819, 50911, 53571, 124999, 152733, 374997, 2650489, 7951467, 18553423, 55660269, 129873961, 389621883]

約数ペア:

[(1, 389621883), (3, 129873961), (7, 55660269), (21, 18553423), (49, 7951467), (147, 2650489), (1039, 374997), (2551, 152733), (3117, 124999), (7273, 53571), (7653, 50911), (17857, 21819)]