27945239

素因数分解:

$7^4\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 20

約数和(自身を含む): 33208656

約数和(自身を除く): 5263417

約数列:

[1, 7, 49, 103, 113, 343, 721, 791, 2401, 5047, 5537, 11639, 35329, 38759, 81473, 247303, 271313, 570311, 3992177, 27945239]

約数ペア:

[(1, 27945239), (7, 3992177), (49, 570311), (103, 271313), (113, 247303), (343, 81473), (721, 38759), (791, 35329), (2401, 11639), (5047, 5537)]