28002915

素因数分解:

$3^4\times 5^1\times {\mathrm{69143}}^1$

素因数の和:69160

約数の個数: 20

約数和(自身を含む): 50198544

約数和(自身を除く): 22195629

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 69143, 207429, 345715, 622287, 1037145, 1866861, 3111435, 5600583, 9334305, 28002915]

約数ペア:

[(1, 28002915), (3, 9334305), (5, 5600583), (9, 3111435), (15, 1866861), (27, 1037145), (45, 622287), (81, 345715), (135, 207429), (405, 69143)]