8640837

素因数分解:

$3^9\times {\mathrm{439}}^1$

素因数の和:466

約数の個数: 20

約数和(自身を含む): 12990560

約数和(自身を除く): 4349723

約数列:

[1, 3, 9, 27, 81, 243, 439, 729, 1317, 2187, 3951, 6561, 11853, 19683, 35559, 106677, 320031, 960093, 2880279, 8640837]

約数ペア:

[(1, 8640837), (3, 2880279), (9, 960093), (27, 320031), (81, 106677), (243, 35559), (439, 19683), (729, 11853), (1317, 6561), (2187, 3951)]