31888311

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6871}}^1$

素因数の和:6911

約数の個数: 32

約数和(自身を含む): 55415808

約数和(自身を除く): 23527497

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 6871, 20613, 48097, 89323, 116807, 144291, 267969, 350421, 625261, 817649, 1518491, 1875783, 2452947, 4555473, 10629437, 31888311]

約数ペア:

[(1, 31888311), (3, 10629437), (7, 4555473), (13, 2452947), (17, 1875783), (21, 1518491), (39, 817649), (51, 625261), (91, 350421), (119, 267969), (221, 144291), (273, 116807), (357, 89323), (663, 48097), (1547, 20613), (4641, 6871)]