28717497

素因数分解:

$3^9\times {\mathrm{1459}}^1$

素因数の和:1486

約数の個数: 20

約数和(自身を含む): 43105040

約数和(自身を除く): 14387543

約数列:

[1, 3, 9, 27, 81, 243, 729, 1459, 2187, 4377, 6561, 13131, 19683, 39393, 118179, 354537, 1063611, 3190833, 9572499, 28717497]

約数ペア:

[(1, 28717497), (3, 9572499), (9, 3190833), (27, 1063611), (81, 354537), (243, 118179), (729, 39393), (1459, 19683), (2187, 13131), (4377, 6561)]