25377705

素因数分解:

$3^5\times 5^1\times {\mathrm{20887}}^1$

素因数の和:20907

約数の個数: 24

約数和(自身を含む): 45619392

約数和(自身を除く): 20241687

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 20887, 62661, 104435, 187983, 313305, 563949, 939915, 1691847, 2819745, 5075541, 8459235, 25377705]

約数ペア:

[(1, 25377705), (3, 8459235), (5, 5075541), (9, 2819745), (15, 1691847), (27, 939915), (45, 563949), (81, 313305), (135, 187983), (243, 104435), (405, 62661), (1215, 20887)]