213887259

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{3181}}^1$

素因数の和:3459

約数の個数: 24

約数和(自身を含む): 320338304

約数和(自身を除く): 106451045

約数列:

[1, 3, 9, 31, 93, 241, 279, 723, 2169, 3181, 7471, 9543, 22413, 28629, 67239, 98611, 295833, 766621, 887499, 2299863, 6899589, 23765251, 71295753, 213887259]

約数ペア:

[(1, 213887259), (3, 71295753), (9, 23765251), (31, 6899589), (93, 2299863), (241, 887499), (279, 766621), (723, 295833), (2169, 98611), (3181, 67239), (7471, 28629), (9543, 22413)]