68589171

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3617}}^1$

素因数の和:3680

約数の個数: 36

約数和(自身を含む): 117961272

約数和(自身を除く): 49372101

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 2107, 2709, 3617, 6321, 10851, 18963, 25319, 32553, 75957, 155531, 177233, 227871, 466593, 531699, 1088717, 1399779, 1595097, 3266151, 7621019, 9798453, 22863057, 68589171]

約数ペア:

[(1, 68589171), (3, 22863057), (7, 9798453), (9, 7621019), (21, 3266151), (43, 1595097), (49, 1399779), (63, 1088717), (129, 531699), (147, 466593), (301, 227871), (387, 177233), (441, 155531), (903, 75957), (2107, 32553), (2709, 25319), (3617, 18963), (6321, 10851)]