218857587

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1031}}^1\times {\mathrm{5443}}^1$

素因数の和:6490

約数の個数: 16

約数和(自身を含む): 314619648

約数和(自身を除く): 95762061

約数列:

[1, 3, 13, 39, 1031, 3093, 5443, 13403, 16329, 40209, 70759, 212277, 5611733, 16835199, 72952529, 218857587]

約数ペア:

[(1, 218857587), (3, 72952529), (13, 16835199), (39, 5611733), (1031, 212277), (3093, 70759), (5443, 40209), (13403, 16329)]