68688666

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^2\times {\mathrm{757}}^1$

素因数の和:907

約数の個数: 36

約数和(自身を含む): 151150506

約数和(自身を除く): 82461840

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 757, 1278, 1514, 2271, 4542, 5041, 6813, 10082, 13626, 15123, 30246, 45369, 53747, 90738, 107494, 161241, 322482, 483723, 967446, 3816037, 7632074, 11448111, 22896222, 34344333, 68688666]

約数ペア:

[(1, 68688666), (2, 34344333), (3, 22896222), (6, 11448111), (9, 7632074), (18, 3816037), (71, 967446), (142, 483723), (213, 322482), (426, 161241), (639, 107494), (757, 90738), (1278, 53747), (1514, 45369), (2271, 30246), (4542, 15123), (5041, 13626), (6813, 10082)]