66686679

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 102643200

約数和(自身を除く): 35956521

約数列:

[1, 3, 9, 27, 43, 71, 129, 213, 387, 639, 809, 1161, 1917, 2427, 3053, 7281, 9159, 21843, 27477, 34787, 57439, 82431, 104361, 172317, 313083, 516951, 939249, 1550853, 2469877, 7409631, 22228893, 66686679]

約数ペア:

[(1, 66686679), (3, 22228893), (9, 7409631), (27, 2469877), (43, 1550853), (71, 939249), (129, 516951), (213, 313083), (387, 172317), (639, 104361), (809, 82431), (1161, 57439), (1917, 34787), (2427, 27477), (3053, 21843), (7281, 9159)]