285372717

素因数分解:

$3^1\times 7^2\times {\mathrm{761}}^1\times {\mathrm{2551}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 443374272

約数和(自身を除く): 158001555

約数列:

[1, 3, 7, 21, 49, 147, 761, 2283, 2551, 5327, 7653, 15981, 17857, 37289, 53571, 111867, 124999, 374997, 1941311, 5823933, 13589177, 40767531, 95124239, 285372717]

約数ペア:

[(1, 285372717), (3, 95124239), (7, 40767531), (21, 13589177), (49, 5823933), (147, 1941311), (761, 374997), (2283, 124999), (2551, 111867), (5327, 53571), (7653, 37289), (15981, 17857)]