13090005

素因数分解:

$3^4\times 5^1\times {\mathrm{32321}}^1$

素因数の和:32338

約数の個数: 20

約数和(自身を含む): 23465772

約数和(自身を除く): 10375767

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 32321, 96963, 161605, 290889, 484815, 872667, 1454445, 2618001, 4363335, 13090005]

約数ペア:

[(1, 13090005), (3, 4363335), (5, 2618001), (9, 1454445), (15, 872667), (27, 484815), (45, 290889), (81, 161605), (135, 96963), (405, 32321)]