81000189

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1619}}^1$

素因数の和:1754

約数の個数: 32

約数和(自身を含む): 128304000

約数和(自身を除く): 47303811

約数列:

[1, 3, 9, 17, 27, 51, 109, 153, 327, 459, 981, 1619, 1853, 2943, 4857, 5559, 14571, 16677, 27523, 43713, 50031, 82569, 176471, 247707, 529413, 743121, 1588239, 3000007, 4764717, 9000021, 27000063, 81000189]

約数ペア:

[(1, 81000189), (3, 27000063), (9, 9000021), (17, 4764717), (27, 3000007), (51, 1588239), (109, 743121), (153, 529413), (327, 247707), (459, 176471), (981, 82569), (1619, 50031), (1853, 43713), (2943, 27523), (4857, 16677), (5559, 14571)]