31248819

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1201}}^1$

素因数の和:1280

約数の個数: 36

約数和(自身を含む): 53440920

約数和(自身を除く): 22192101

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 177, 413, 441, 531, 1201, 1239, 2891, 3603, 3717, 8407, 8673, 10809, 25221, 26019, 58849, 70859, 75663, 176547, 212577, 496013, 529641, 637731, 1488039, 3472091, 4464117, 10416273, 31248819]

約数ペア:

[(1, 31248819), (3, 10416273), (7, 4464117), (9, 3472091), (21, 1488039), (49, 637731), (59, 529641), (63, 496013), (147, 212577), (177, 176547), (413, 75663), (441, 70859), (531, 58849), (1201, 26019), (1239, 25221), (2891, 10809), (3603, 8673), (3717, 8407)]