68157786123

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1776469}}^1$

素因数の和:1776521

約数の個数: 48

約数和(自身を含む): 121510548000

約数和(自身を除く): 53352761877

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 261, 441, 609, 783, 1323, 1421, 1827, 4263, 5481, 12789, 38367, 1776469, 5329407, 12435283, 15988221, 37305849, 47964663, 51517601, 87046981, 111917547, 154552803, 261140943, 335752641, 360623207, 463658409, 783422829, 1081869621, 1390975227, 2350268487, 2524362449, 3245608863, 7573087347, 9736826589, 22719262041, 68157786123]

約数ペア:

[(1, 68157786123), (3, 22719262041), (7, 9736826589), (9, 7573087347), (21, 3245608863), (27, 2524362449), (29, 2350268487), (49, 1390975227), (63, 1081869621), (87, 783422829), (147, 463658409), (189, 360623207), (203, 335752641), (261, 261140943), (441, 154552803), (609, 111917547), (783, 87046981), (1323, 51517601), (1421, 47964663), (1827, 37305849), (4263, 15988221), (5481, 12435283), (12789, 5329407), (38367, 1776469)]