131409681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4793}}^1$

素因数の和:4865

約数の個数: 32

約数和(自身を含む): 204032640

約数和(自身を除く): 72622959

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 703, 741, 1443, 2109, 4793, 9139, 14379, 27417, 62309, 91067, 177341, 186927, 273201, 532023, 1183871, 2305433, 3369479, 3551613, 6916299, 10108437, 43803227, 131409681]

約数ペア:

[(1, 131409681), (3, 43803227), (13, 10108437), (19, 6916299), (37, 3551613), (39, 3369479), (57, 2305433), (111, 1183871), (247, 532023), (481, 273201), (703, 186927), (741, 177341), (1443, 91067), (2109, 62309), (4793, 27417), (9139, 14379)]