872156745

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{450727}}^1$

素因数の和:450781

約数の個数: 24

約数和(自身を含む): 1546898496

約数和(自身を除く): 674741751

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 450727, 1352181, 2253635, 4056543, 6760905, 19381261, 20282715, 58143783, 96906305, 174431349, 290718915, 872156745]

約数ペア:

[(1, 872156745), (3, 290718915), (5, 174431349), (9, 96906305), (15, 58143783), (43, 20282715), (45, 19381261), (129, 6760905), (215, 4056543), (387, 2253635), (645, 1352181), (1935, 450727)]