39891831

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{6311}}^1$

素因数の和:6371

約数の個数: 24

約数和(自身を含む): 63321984

約数和(自身を除く): 23430153

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6311, 6321, 18933, 44177, 132531, 271373, 309239, 814119, 927717, 1899611, 5698833, 13297277, 39891831]

約数ペア:

[(1, 39891831), (3, 13297277), (7, 5698833), (21, 1899611), (43, 927717), (49, 814119), (129, 309239), (147, 271373), (301, 132531), (903, 44177), (2107, 18933), (6311, 6321)]