30745215

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15889}}^1$

素因数の和:15943

約数の個数: 24

約数和(自身を含む): 54534480

約数和(自身を除く): 23789265

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 15889, 47667, 79445, 143001, 238335, 683227, 715005, 2049681, 3416135, 6149043, 10248405, 30745215]

約数ペア:

[(1, 30745215), (3, 10248405), (5, 6149043), (9, 3416135), (15, 2049681), (43, 715005), (45, 683227), (129, 238335), (215, 143001), (387, 79445), (645, 47667), (1935, 15889)]