28471107

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{11393}}^1$

素因数の和:11427

約数の個数: 24

約数和(自身を含む): 46760976

約数和(自身を除く): 18289869

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 11393, 34179, 79751, 193681, 239253, 558257, 581043, 1355767, 1674771, 4067301, 9490369, 28471107]

約数ペア:

[(1, 28471107), (3, 9490369), (7, 4067301), (17, 1674771), (21, 1355767), (49, 581043), (51, 558257), (119, 239253), (147, 193681), (357, 79751), (833, 34179), (2499, 11393)]