3851991

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 6787872

約数和(自身を除く): 2935881

約数列:

[1, 3, 9, 11, 13, 33, 39, 41, 73, 99, 117, 123, 143, 219, 369, 429, 451, 533, 657, 803, 949, 1287, 1353, 1599, 2409, 2847, 2993, 4059, 4797, 5863, 7227, 8541, 8979, 10439, 17589, 26937, 31317, 32923, 38909, 52767, 93951, 98769, 116727, 296307, 350181, 427999, 1283997, 3851991]

約数ペア:

[(1, 3851991), (3, 1283997), (9, 427999), (11, 350181), (13, 296307), (33, 116727), (39, 98769), (41, 93951), (73, 52767), (99, 38909), (117, 32923), (123, 31317), (143, 26937), (219, 17589), (369, 10439), (429, 8979), (451, 8541), (533, 7227), (657, 5863), (803, 4797), (949, 4059), (1287, 2993), (1353, 2847), (1599, 2409)]