8320887

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2444

約数の個数: 20

約数和(自身を含む): 12724360

約数和(自身を除く): 4403473

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 2389, 3483, 7167, 21501, 64503, 102727, 193509, 308181, 924543, 2773629, 8320887]

約数ペア:

[(1, 8320887), (3, 2773629), (9, 924543), (27, 308181), (43, 193509), (81, 102727), (129, 64503), (387, 21501), (1161, 7167), (2389, 3483)]