389631291

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{24317}}^1$

素因数の和:24443

約数の個数: 24

約数和(自身を含む): 609895440

約数和(自身を除く): 220264149

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 5341, 16023, 24317, 72951, 170219, 510657, 1191533, 2650553, 3574599, 7951659, 18553871, 55661613, 129877097, 389631291]

約数ペア:

[(1, 389631291), (3, 129877097), (7, 55661613), (21, 18553871), (49, 7951659), (109, 3574599), (147, 2650553), (327, 1191533), (763, 510657), (2289, 170219), (5341, 72951), (16023, 24317)]