2651571

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 4180176

約数和(自身を除く): 1528605

約数列:

[1, 3, 9, 13, 39, 117, 131, 173, 393, 519, 1179, 1557, 1703, 2249, 5109, 6747, 15327, 20241, 22663, 67989, 203967, 294619, 883857, 2651571]

約数ペア:

[(1, 2651571), (3, 883857), (9, 294619), (13, 203967), (39, 67989), (117, 22663), (131, 20241), (173, 15327), (393, 6747), (519, 5109), (1179, 2249), (1557, 1703)]