258045123

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{18097}}^1$

素因数の和:18211

約数の個数: 24

約数和(自身を含む): 404381712

約数和(自身を除く): 146336589

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 2037, 4753, 14259, 18097, 54291, 126679, 380037, 886753, 1755409, 2660259, 5266227, 12287863, 36863589, 86015041, 258045123]

約数ペア:

[(1, 258045123), (3, 86015041), (7, 36863589), (21, 12287863), (49, 5266227), (97, 2660259), (147, 1755409), (291, 886753), (679, 380037), (2037, 126679), (4753, 54291), (14259, 18097)]