205605054

素因数分解:

$2^1\times 3^4\times {\mathrm{1269167}}^1$

素因数の和:1269181

約数の個数: 20

約数和(自身を含む): 460707984

約数和(自身を除く): 255102930

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1269167, 2538334, 3807501, 7615002, 11422503, 22845006, 34267509, 68535018, 102802527, 205605054]

約数ペア:

[(1, 205605054), (2, 102802527), (3, 68535018), (6, 34267509), (9, 22845006), (18, 11422503), (27, 7615002), (54, 3807501), (81, 2538334), (162, 1269167)]