81762681

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1433}}^1$

素因数の和:1486

約数の個数: 64

約数和(自身を含む): 154183680

約数和(自身を除く): 72420999

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 57, 77, 91, 133, 143, 209, 231, 247, 273, 399, 429, 627, 741, 1001, 1433, 1463, 1729, 2717, 3003, 4299, 4389, 5187, 8151, 10031, 15763, 18629, 19019, 27227, 30093, 47289, 55887, 57057, 81681, 110341, 130403, 190589, 204919, 299497, 331023, 353951, 391209, 571767, 614757, 898491, 1061853, 1434433, 2096479, 2477657, 3893461, 4303299, 6289437, 7432971, 11680383, 27254227, 81762681]

約数ペア:

[(1, 81762681), (3, 27254227), (7, 11680383), (11, 7432971), (13, 6289437), (19, 4303299), (21, 3893461), (33, 2477657), (39, 2096479), (57, 1434433), (77, 1061853), (91, 898491), (133, 614757), (143, 571767), (209, 391209), (231, 353951), (247, 331023), (273, 299497), (399, 204919), (429, 190589), (627, 130403), (741, 110341), (1001, 81681), (1433, 57057), (1463, 55887), (1729, 47289), (2717, 30093), (3003, 27227), (4299, 19019), (4389, 18629), (5187, 15763), (8151, 10031)]