28668759

素因数分解:

$3^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{1231}}^1$

素因数の和:2350

約数の個数: 16

約数和(自身を含む): 43760640

約数和(自身を除く): 15091881

約数列:

[1, 3, 7, 21, 1109, 1231, 3327, 3693, 7763, 8617, 23289, 25851, 1365179, 4095537, 9556253, 28668759]

約数ペア:

[(1, 28668759), (3, 9556253), (7, 4095537), (21, 1365179), (1109, 25851), (1231, 23289), (3327, 8617), (3693, 7763)]