18101151

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5197}}^1$

素因数の和:5252

約数の個数: 20

約数和(自身を含む): 27674152

約数和(自身を除く): 9573001

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5197, 15591, 46773, 140319, 223471, 420957, 670413, 2011239, 6033717, 18101151]

約数ペア:

[(1, 18101151), (3, 6033717), (9, 2011239), (27, 670413), (43, 420957), (81, 223471), (129, 140319), (387, 46773), (1161, 15591), (3483, 5197)]