28939905

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4259}}^1$

素因数の和:4421

約数の個数: 24

約数和(自身を含む): 50506560

約数和(自身を除く): 21566655

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 4259, 6795, 12777, 21295, 38331, 63885, 191655, 643109, 1929327, 3215545, 5787981, 9646635, 28939905]

約数ペア:

[(1, 28939905), (3, 9646635), (5, 5787981), (9, 3215545), (15, 1929327), (45, 643109), (151, 191655), (453, 63885), (755, 38331), (1359, 21295), (2265, 12777), (4259, 6795)]