557667

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 906048

約数和(自身を除く): 348381

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 131, 387, 393, 473, 1179, 1419, 1441, 4257, 4323, 5633, 12969, 16899, 50697, 61963, 185889, 557667]

約数ペア:

[(1, 557667), (3, 185889), (9, 61963), (11, 50697), (33, 16899), (43, 12969), (99, 5633), (129, 4323), (131, 4257), (387, 1441), (393, 1419), (473, 1179)]