820912239

素因数分解:

$3^4\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1933}}^1$

素因数の和:2066

約数の個数: 60

約数和(自身を含む): 1440590184

約数和(自身を除く): 619677945

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 107, 147, 189, 321, 441, 567, 749, 963, 1323, 1933, 2247, 2889, 3969, 5243, 5799, 6741, 8667, 13531, 15729, 17397, 20223, 40593, 47187, 52191, 60669, 94717, 121779, 141561, 156573, 206831, 284151, 365337, 424683, 620493, 852453, 1096011, 1447817, 1861479, 2557359, 4343451, 5584437, 7672077, 10134719, 13030353, 16753311, 30404157, 39091059, 91212471, 117273177, 273637413, 820912239]

約数ペア:

[(1, 820912239), (3, 273637413), (7, 117273177), (9, 91212471), (21, 39091059), (27, 30404157), (49, 16753311), (63, 13030353), (81, 10134719), (107, 7672077), (147, 5584437), (189, 4343451), (321, 2557359), (441, 1861479), (567, 1447817), (749, 1096011), (963, 852453), (1323, 620493), (1933, 424683), (2247, 365337), (2889, 284151), (3969, 206831), (5243, 156573), (5799, 141561), (6741, 121779), (8667, 94717), (13531, 60669), (15729, 52191), (17397, 47187), (20223, 40593)]