223645857

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 313098240

約数和(自身を除く): 89452383

約数列:

[1, 3, 41, 103, 123, 127, 139, 309, 381, 417, 4223, 5207, 5699, 12669, 13081, 14317, 15621, 17097, 17653, 39243, 42951, 52959, 536321, 586997, 723773, 1608963, 1760991, 1818259, 2171319, 5454777, 74548619, 223645857]

約数ペア:

[(1, 223645857), (3, 74548619), (41, 5454777), (103, 2171319), (123, 1818259), (127, 1760991), (139, 1608963), (309, 723773), (381, 586997), (417, 536321), (4223, 52959), (5207, 42951), (5699, 39243), (12669, 17653), (13081, 17097), (14317, 15621)]