18577161

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{16001}}^1$

素因数の和:16053

約数の個数: 16

約数和(自身を含む): 28163520

約数和(自身を除く): 9586359

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 16001, 48003, 144009, 432027, 688043, 2064129, 6192387, 18577161]

約数ペア:

[(1, 18577161), (3, 6192387), (9, 2064129), (27, 688043), (43, 432027), (129, 144009), (387, 48003), (1161, 16001)]