66828111

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 110972160

約数和(自身を除く): 44144049

約数列:

[1, 3, 7, 19, 21, 49, 57, 71, 133, 147, 213, 337, 399, 497, 931, 1011, 1349, 1491, 2359, 2793, 3479, 4047, 6403, 7077, 9443, 10437, 16513, 19209, 23927, 28329, 44821, 49539, 66101, 71781, 134463, 167489, 198303, 313747, 454613, 502467, 941241, 1172423, 1363839, 3182291, 3517269, 9546873, 22276037, 66828111]

約数ペア:

[(1, 66828111), (3, 22276037), (7, 9546873), (19, 3517269), (21, 3182291), (49, 1363839), (57, 1172423), (71, 941241), (133, 502467), (147, 454613), (213, 313747), (337, 198303), (399, 167489), (497, 134463), (931, 71781), (1011, 66101), (1349, 49539), (1491, 44821), (2359, 28329), (2793, 23927), (3479, 19209), (4047, 16513), (6403, 10437), (7077, 9443)]