263487951

素因数分解:

$3^3\times {\mathrm{241}}^1\times {\mathrm{40493}}^1$

素因数の和:40743

約数の個数: 16

約数和(自身を含む): 391981920

約数和(自身を除く): 128493969

約数列:

[1, 3, 9, 27, 241, 723, 2169, 6507, 40493, 121479, 364437, 1093311, 9758813, 29276439, 87829317, 263487951]

約数ペア:

[(1, 263487951), (3, 87829317), (9, 29276439), (27, 9758813), (241, 1093311), (723, 364437), (2169, 121479), (6507, 40493)]