1898996909481

素因数分解:

$3^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{439}}^1\times {\mathrm{38167}}^1$

素因数の和:38883

約数の個数: 72

約数和(自身を含む): 3210628037760

約数和(自身を除く): 1311631128279

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 257, 439, 441, 771, 1317, 1799, 2313, 3073, 3951, 5397, 9219, 12593, 16191, 21511, 27657, 37779, 38167, 64533, 112823, 113337, 114501, 193599, 267169, 338469, 343503, 789761, 801507, 1015407, 1870183, 2369283, 2404521, 5528327, 5610549, 7107849, 9808919, 16584981, 16755313, 16831647, 29426757, 49754943, 50265939, 68662433, 88280271, 117287191, 150797817, 205987299, 351861573, 480637031, 617961897, 821010337, 1055584719, 1441911093, 2463031011, 4306115441, 4325733279, 7389093033, 12918346323, 30142808087, 38755038969, 90428424261, 210999656609, 271285272783, 632998969827, 1898996909481]

約数ペア:

[(1, 1898996909481), (3, 632998969827), (7, 271285272783), (9, 210999656609), (21, 90428424261), (49, 38755038969), (63, 30142808087), (147, 12918346323), (257, 7389093033), (439, 4325733279), (441, 4306115441), (771, 2463031011), (1317, 1441911093), (1799, 1055584719), (2313, 821010337), (3073, 617961897), (3951, 480637031), (5397, 351861573), (9219, 205987299), (12593, 150797817), (16191, 117287191), (21511, 88280271), (27657, 68662433), (37779, 50265939), (38167, 49754943), (64533, 29426757), (112823, 16831647), (113337, 16755313), (114501, 16584981), (193599, 9808919), (267169, 7107849), (338469, 5610549), (343503, 5528327), (789761, 2404521), (801507, 2369283), (1015407, 1870183)]