2390787

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 3989856

約数和(自身を除く): 1599069

約数列:

[1, 3, 7, 9, 21, 63, 137, 277, 411, 831, 959, 1233, 1939, 2493, 2877, 5817, 8631, 17451, 37949, 113847, 265643, 341541, 796929, 2390787]

約数ペア:

[(1, 2390787), (3, 796929), (7, 341541), (9, 265643), (21, 113847), (63, 37949), (137, 17451), (277, 8631), (411, 5817), (831, 2877), (959, 2493), (1233, 1939)]