81283311

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^2$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 133881600

約数和(自身を除く): 52598289

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 83, 171, 207, 249, 437, 513, 621, 747, 1311, 1577, 1909, 2241, 3933, 4731, 5727, 6889, 11799, 14193, 17181, 20667, 36271, 42579, 51543, 62001, 108813, 130891, 158447, 186003, 326439, 392673, 475341, 979317, 1178019, 1426023, 3010493, 3534057, 4278069, 9031479, 27094437, 81283311]

約数ペア:

[(1, 81283311), (3, 27094437), (9, 9031479), (19, 4278069), (23, 3534057), (27, 3010493), (57, 1426023), (69, 1178019), (83, 979317), (171, 475341), (207, 392673), (249, 326439), (437, 186003), (513, 158447), (621, 130891), (747, 108813), (1311, 62001), (1577, 51543), (1909, 42579), (2241, 36271), (3933, 20667), (4731, 17181), (5727, 14193), (6889, 11799)]