28475145

素因数分解:

$3^4\times 5^1\times {\mathrm{70309}}^1$

素因数の和:70326

約数の個数: 20

約数和(自身を含む): 51045060

約数和(自身を除く): 22569915

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70309, 210927, 351545, 632781, 1054635, 1898343, 3163905, 5695029, 9491715, 28475145]

約数ペア:

[(1, 28475145), (3, 9491715), (5, 5695029), (9, 3163905), (15, 1898343), (27, 1054635), (45, 632781), (81, 351545), (135, 210927), (405, 70309)]