1215693027

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{13687}}^1$

素因数の和:13903

約数の個数: 24

約数和(自身を含む): 1793675520

約数和(自身を除く): 577982493

約数列:

[1, 3, 9, 71, 139, 213, 417, 639, 1251, 9869, 13687, 29607, 41061, 88821, 123183, 971777, 1902493, 2915331, 5707479, 8745993, 17122437, 135077003, 405231009, 1215693027]

約数ペア:

[(1, 1215693027), (3, 405231009), (9, 135077003), (71, 17122437), (139, 8745993), (213, 5707479), (417, 2915331), (639, 1902493), (1251, 971777), (9869, 123183), (13687, 88821), (29607, 41061)]