661392

素因数分解:

$2^4\times 3^3\times {\mathrm{1531}}^1$

素因数の和:1548

約数の個数: 40

約数和(自身を含む): 1899680

約数和(自身を除く): 1238288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 1531, 3062, 4593, 6124, 9186, 12248, 13779, 18372, 24496, 27558, 36744, 41337, 55116, 73488, 82674, 110232, 165348, 220464, 330696, 661392]

約数ペア:

[(1, 661392), (2, 330696), (3, 220464), (4, 165348), (6, 110232), (8, 82674), (9, 73488), (12, 55116), (16, 41337), (18, 36744), (24, 27558), (27, 24496), (36, 18372), (48, 13779), (54, 12248), (72, 9186), (108, 6124), (144, 4593), (216, 3062), (432, 1531)]