18182421

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{15661}}^1$

素因数の和:15713

約数の個数: 16

約数和(自身を含む): 27565120

約数和(自身を除く): 9382699

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 15661, 46983, 140949, 422847, 673423, 2020269, 6060807, 18182421]

約数ペア:

[(1, 18182421), (3, 6060807), (9, 2020269), (27, 673423), (43, 422847), (129, 140949), (387, 46983), (1161, 15661)]