77621271

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1811}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 128260608

約数和(自身を除く): 50639337

約数列:

[1, 3, 7, 13, 21, 39, 91, 157, 273, 471, 1099, 1811, 2041, 3297, 5433, 6123, 12677, 14287, 23543, 38031, 42861, 70629, 164801, 284327, 494403, 852981, 1990289, 3696251, 5970867, 11088753, 25873757, 77621271]

約数ペア:

[(1, 77621271), (3, 25873757), (7, 11088753), (13, 5970867), (21, 3696251), (39, 1990289), (91, 852981), (157, 494403), (273, 284327), (471, 164801), (1099, 70629), (1811, 42861), (2041, 38031), (3297, 23543), (5433, 14287), (6123, 12677)]