28116945

素因数分解:

$3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1283}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 48874176

約数和(自身を除く): 20757231

約数列:

[1, 3, 5, 9, 15, 45, 487, 1283, 1461, 2435, 3849, 4383, 6415, 7305, 11547, 19245, 21915, 57735, 624821, 1874463, 3124105, 5623389, 9372315, 28116945]

約数ペア:

[(1, 28116945), (3, 9372315), (5, 5623389), (9, 3124105), (15, 1874463), (45, 624821), (487, 57735), (1283, 21915), (1461, 19245), (2435, 11547), (3849, 7305), (4383, 6415)]