205650009

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{35759}}^1$

素因数の和:35842

約数の個数: 20

約数和(自身を含む): 311541120

約数和(自身を除く): 105891111

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 35759, 107277, 321831, 965493, 2538889, 2896479, 7616667, 22850001, 68550003, 205650009]

約数ペア:

[(1, 205650009), (3, 68550003), (9, 22850001), (27, 7616667), (71, 2896479), (81, 2538889), (213, 965493), (639, 321831), (1917, 107277), (5751, 35759)]