221271479

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 271252800

約数和(自身を除く): 49981321

約数列:

[1, 11, 13, 29, 143, 229, 233, 319, 377, 2519, 2563, 2977, 3029, 4147, 6641, 6757, 32747, 33319, 53357, 73051, 74327, 86333, 87841, 586927, 693641, 949663, 966251, 1547353, 7630051, 17020883, 20115589, 221271479]

約数ペア:

[(1, 221271479), (11, 20115589), (13, 17020883), (29, 7630051), (143, 1547353), (229, 966251), (233, 949663), (319, 693641), (377, 586927), (2519, 87841), (2563, 86333), (2977, 74327), (3029, 73051), (4147, 53357), (6641, 33319), (6757, 32747)]