13985825

素因数分解:

$5^2\times 7^4\times {\mathrm{233}}^1$

素因数の和:271

約数の個数: 30

約数和(自身を含む): 20318454

約数和(自身を除く): 6332629

約数列:

[1, 5, 7, 25, 35, 49, 175, 233, 245, 343, 1165, 1225, 1631, 1715, 2401, 5825, 8155, 8575, 11417, 12005, 40775, 57085, 60025, 79919, 285425, 399595, 559433, 1997975, 2797165, 13985825]

約数ペア:

[(1, 13985825), (5, 2797165), (7, 1997975), (25, 559433), (35, 399595), (49, 285425), (175, 79919), (233, 60025), (245, 57085), (343, 40775), (1165, 12005), (1225, 11417), (1631, 8575), (1715, 8155), (2401, 5825)]