68128749

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2897}}^1$

素因数の和:2986

約数の個数: 32

約数和(自身を含む): 110355840

約数和(自身を除く): 42227091

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 351, 603, 871, 1809, 2613, 2897, 7839, 8691, 23517, 26073, 37661, 78219, 112983, 194099, 338949, 582297, 1016847, 1746891, 2523287, 5240673, 7569861, 22709583, 68128749]

約数ペア:

[(1, 68128749), (3, 22709583), (9, 7569861), (13, 5240673), (27, 2523287), (39, 1746891), (67, 1016847), (117, 582297), (201, 338949), (351, 194099), (603, 112983), (871, 78219), (1809, 37661), (2613, 26073), (2897, 23517), (7839, 8691)]