2574261

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:594

約数の個数: 20

約数和(自身を含む): 3916044

約数和(自身を除く): 1341783

約数列:

[1, 3, 9, 27, 61, 81, 183, 521, 549, 1563, 1647, 4689, 4941, 14067, 31781, 42201, 95343, 286029, 858087, 2574261]

約数ペア:

[(1, 2574261), (3, 858087), (9, 286029), (27, 95343), (61, 42201), (81, 31781), (183, 14067), (521, 4941), (549, 4689), (1563, 1647)]