8815989

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 14823424

約数和(自身を除く): 6007435

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 751, 903, 1677, 2253, 3913, 5257, 9763, 11739, 15771, 29289, 32293, 68341, 96879, 205023, 226051, 419809, 678153, 1259427, 2938663, 8815989]

約数ペア:

[(1, 8815989), (3, 2938663), (7, 1259427), (13, 678153), (21, 419809), (39, 226051), (43, 205023), (91, 96879), (129, 68341), (273, 32293), (301, 29289), (559, 15771), (751, 11739), (903, 9763), (1677, 5257), (2253, 3913)]