2268981

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 4036032

約数和(自身を除く): 1767051

約数列:

[1, 3, 9, 11, 13, 33, 39, 41, 43, 99, 117, 123, 129, 143, 369, 387, 429, 451, 473, 533, 559, 1287, 1353, 1419, 1599, 1677, 1763, 4059, 4257, 4797, 5031, 5289, 5863, 6149, 15867, 17589, 18447, 19393, 22919, 52767, 55341, 58179, 68757, 174537, 206271, 252109, 756327, 2268981]

約数ペア:

[(1, 2268981), (3, 756327), (9, 252109), (11, 206271), (13, 174537), (33, 68757), (39, 58179), (41, 55341), (43, 52767), (99, 22919), (117, 19393), (123, 18447), (129, 17589), (143, 15867), (369, 6149), (387, 5863), (429, 5289), (451, 5031), (473, 4797), (533, 4257), (559, 4059), (1287, 1763), (1353, 1677), (1419, 1599)]