25248915

素因数分解:

$3^7\times 5^1\times {\mathrm{2309}}^1$

素因数の和:2335

約数の個数: 32

約数和(自身を含む): 45460800

約数和(自身を除く): 20211885

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 2309, 3645, 6927, 10935, 11545, 20781, 34635, 62343, 103905, 187029, 311715, 561087, 935145, 1683261, 2805435, 5049783, 8416305, 25248915]

約数ペア:

[(1, 25248915), (3, 8416305), (5, 5049783), (9, 2805435), (15, 1683261), (27, 935145), (45, 561087), (81, 311715), (135, 187029), (243, 103905), (405, 62343), (729, 34635), (1215, 20781), (2187, 11545), (2309, 10935), (3645, 6927)]