12920877

素因数分解:

$3^4\times {\mathrm{269}}^1\times {\mathrm{593}}^1$

素因数の和:874

約数の個数: 20

約数和(自身を含む): 19405980

約数和(自身を除く): 6485103

約数列:

[1, 3, 9, 27, 81, 269, 593, 807, 1779, 2421, 5337, 7263, 16011, 21789, 48033, 159517, 478551, 1435653, 4306959, 12920877]

約数ペア:

[(1, 12920877), (3, 4306959), (9, 1435653), (27, 478551), (81, 159517), (269, 48033), (593, 21789), (807, 16011), (1779, 7263), (2421, 5337)]