521003691

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{7459}}^1$

素因数の和:7680

約数の個数: 32

約数和(自身を含む): 835520000

約数和(自身を除く): 314516309

約数列:

[1, 3, 9, 13, 27, 39, 117, 199, 351, 597, 1791, 2587, 5373, 7459, 7761, 22377, 23283, 67131, 69849, 96967, 201393, 290901, 872703, 1484341, 2618109, 4453023, 13359069, 19296433, 40077207, 57889299, 173667897, 521003691]

約数ペア:

[(1, 521003691), (3, 173667897), (9, 57889299), (13, 40077207), (27, 19296433), (39, 13359069), (117, 4453023), (199, 2618109), (351, 1484341), (597, 872703), (1791, 290901), (2587, 201393), (5373, 96967), (7459, 69849), (7761, 67131), (22377, 23283)]