25664445

素因数分解:

$3^7\times 5^1\times {\mathrm{2347}}^1$

素因数の和:2373

約数の個数: 32

約数和(自身を含む): 46208640

約数和(自身を除く): 20544195

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 2347, 3645, 7041, 10935, 11735, 21123, 35205, 63369, 105615, 190107, 316845, 570321, 950535, 1710963, 2851605, 5132889, 8554815, 25664445]

約数ペア:

[(1, 25664445), (3, 8554815), (5, 5132889), (9, 2851605), (15, 1710963), (27, 950535), (45, 570321), (81, 316845), (135, 190107), (243, 105615), (405, 63369), (729, 35205), (1215, 21123), (2187, 11735), (2347, 10935), (3645, 7041)]