397218339

素因数分解:

$3^2\times 7^1\times {\mathrm{757}}^1\times {\mathrm{8329}}^1$

素因数の和:9099

約数の個数: 24

約数和(自身を含む): 656670560

約数和(自身を除く): 259452221

約数列:

[1, 3, 7, 9, 21, 63, 757, 2271, 5299, 6813, 8329, 15897, 24987, 47691, 58303, 74961, 174909, 524727, 6305053, 18915159, 44135371, 56745477, 132406113, 397218339]

約数ペア:

[(1, 397218339), (3, 132406113), (7, 56745477), (9, 44135371), (21, 18915159), (63, 6305053), (757, 524727), (2271, 174909), (5299, 74961), (6813, 58303), (8329, 47691), (15897, 24987)]