378495

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 707616

約数和(自身を除く): 329121

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 647, 1941, 3235, 5823, 8411, 9705, 25233, 29115, 42055, 75699, 126165, 378495]

約数ペア:

[(1, 378495), (3, 126165), (5, 75699), (9, 42055), (13, 29115), (15, 25233), (39, 9705), (45, 8411), (65, 5823), (117, 3235), (195, 1941), (585, 647)]