407631

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 656640

約数和(自身を除く): 249009

約数列:

[1, 3, 7, 21, 47, 49, 59, 141, 147, 177, 329, 413, 987, 1239, 2303, 2773, 2891, 6909, 8319, 8673, 19411, 58233, 135877, 407631]

約数ペア:

[(1, 407631), (3, 135877), (7, 58233), (21, 19411), (47, 8673), (49, 8319), (59, 6909), (141, 2891), (147, 2773), (177, 2303), (329, 1239), (413, 987)]