12813157

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 15759360

約数和(自身を除く): 2946203

約数列:

[1, 7, 29, 49, 71, 127, 203, 497, 889, 1421, 2059, 3479, 3683, 6223, 9017, 14413, 25781, 63119, 100891, 180467, 261493, 441833, 1830451, 12813157]

約数ペア:

[(1, 12813157), (7, 1830451), (29, 441833), (49, 261493), (71, 180467), (127, 100891), (203, 63119), (497, 25781), (889, 14413), (1421, 9017), (2059, 6223), (3479, 3683)]