81222189

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{2909}}^1$

素因数の和:3180

約数の個数: 16

約数和(自身を含む): 111464640

約数和(自身を除く): 30242451

約数列:

[1, 3, 41, 123, 227, 681, 2909, 8727, 9307, 27921, 119269, 357807, 660343, 1981029, 27074063, 81222189]

約数ペア:

[(1, 81222189), (3, 27074063), (41, 1981029), (123, 660343), (227, 357807), (681, 119269), (2909, 27921), (8727, 9307)]