15528915

素因数分解:

$3^5\times 5^1\times {\mathrm{12781}}^1$

素因数の和:12801

約数の個数: 24

約数和(自身を含む): 27915888

約数和(自身を除く): 12386973

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 12781, 38343, 63905, 115029, 191715, 345087, 575145, 1035261, 1725435, 3105783, 5176305, 15528915]

約数ペア:

[(1, 15528915), (3, 5176305), (5, 3105783), (9, 1725435), (15, 1035261), (27, 575145), (45, 345087), (81, 191715), (135, 115029), (243, 63905), (405, 38343), (1215, 12781)]