2000861721

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{3131239}}^1$

素因数の和:3131316

約数の個数: 12

約数和(自身を含む): 2930840640

約数和(自身を除く): 929978919

約数列:

[1, 3, 9, 71, 213, 639, 3131239, 9393717, 28181151, 222317969, 666953907, 2000861721]

約数ペア:

[(1, 2000861721), (3, 666953907), (9, 222317969), (71, 28181151), (213, 9393717), (639, 3131239)]