12743721

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{641}}^1$

素因数の和:741

約数の個数: 18

約数和(自身を含む): 18836922

約数和(自身を除く): 6093201

約数列:

[1, 3, 9, 47, 141, 423, 641, 1923, 2209, 5769, 6627, 19881, 30127, 90381, 271143, 1415969, 4247907, 12743721]

約数ペア:

[(1, 12743721), (3, 4247907), (9, 1415969), (47, 271143), (141, 90381), (423, 30127), (641, 19881), (1923, 6627), (2209, 5769)]