665145

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 1276800

約数和(自身を除く): 611655

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 379, 585, 1137, 1755, 1895, 3411, 4927, 5685, 10233, 14781, 17055, 24635, 44343, 51165, 73905, 133029, 221715, 665145]

約数ペア:

[(1, 665145), (3, 221715), (5, 133029), (9, 73905), (13, 51165), (15, 44343), (27, 24635), (39, 17055), (45, 14781), (65, 10233), (117, 5685), (135, 4927), (195, 3411), (351, 1895), (379, 1755), (585, 1137)]