28261305

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2299

約数の個数: 40

約数和(自身を含む): 52318464

約数和(自身を除く): 24057159

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2251, 2511, 4185, 6753, 11255, 12555, 20259, 33765, 60777, 69781, 101295, 182331, 209343, 303885, 348905, 628029, 911655, 1046715, 1884087, 3140145, 5652261, 9420435, 28261305]

約数ペア:

[(1, 28261305), (3, 9420435), (5, 5652261), (9, 3140145), (15, 1884087), (27, 1046715), (31, 911655), (45, 628029), (81, 348905), (93, 303885), (135, 209343), (155, 182331), (279, 101295), (405, 69781), (465, 60777), (837, 33765), (1395, 20259), (2251, 12555), (2511, 11255), (4185, 6753)]