491652021

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{214789}}^1$

素因数の和:214908

約数の個数: 16

約数和(自身を含む): 756060800

約数和(自身を除く): 264408779

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 214789, 644367, 1503523, 4510569, 23412001, 70236003, 163884007, 491652021]

約数ペア:

[(1, 491652021), (3, 163884007), (7, 70236003), (21, 23412001), (109, 4510569), (327, 1503523), (763, 644367), (2289, 214789)]