221715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 414960

約数和(自身を除く): 193245

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 379, 585, 1137, 1895, 3411, 4927, 5685, 14781, 17055, 24635, 44343, 73905, 221715]

約数ペア:

[(1, 221715), (3, 73905), (5, 44343), (9, 24635), (13, 17055), (15, 14781), (39, 5685), (45, 4927), (65, 3411), (117, 1895), (195, 1137), (379, 585)]