81502767

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{9769}}^1$

素因数の和:9884

約数の個数: 20

約数和(自身を含む): 122945680

約数和(自身を除く): 41442913

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 8343, 9769, 29307, 87921, 263763, 791289, 1006207, 3018621, 9055863, 27167589, 81502767]

約数ペア:

[(1, 81502767), (3, 27167589), (9, 9055863), (27, 3018621), (81, 1006207), (103, 791289), (309, 263763), (927, 87921), (2781, 29307), (8343, 9769)]