18168489

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{15649}}^1$

素因数の和:15701

約数の個数: 16

約数和(自身を含む): 27544000

約数和(自身を除く): 9375511

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 15649, 46947, 140841, 422523, 672907, 2018721, 6056163, 18168489]

約数ペア:

[(1, 18168489), (3, 6056163), (9, 2018721), (27, 672907), (43, 422523), (129, 140841), (387, 46947), (1161, 15649)]