1998725679

素因数分解:

$3^3\times {\mathrm{359}}^1\times {\mathrm{206203}}^1$

素因数の和:206571

約数の個数: 16

約数和(自身を含む): 2969337600

約数和(自身を除く): 970611921

約数列:

[1, 3, 9, 27, 359, 1077, 3231, 9693, 206203, 618609, 1855827, 5567481, 74026877, 222080631, 666241893, 1998725679]

約数ペア:

[(1, 1998725679), (3, 666241893), (9, 222080631), (27, 74026877), (359, 5567481), (1077, 1855827), (3231, 618609), (9693, 206203)]