28885731

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{7127}}^1$

素因数の和:7330

約数の個数: 16

約数和(自身を含む): 44250624

約数和(自身を除く): 15364893

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 7127, 21381, 49889, 149667, 1375511, 4126533, 9628577, 28885731]

約数ペア:

[(1, 28885731), (3, 9628577), (7, 4126533), (21, 1375511), (193, 149667), (579, 49889), (1351, 21381), (4053, 7127)]