191566161

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{165001}}^1$

素因数の和:165053

約数の個数: 16

約数和(自身を含む): 290403520

約数和(自身を除く): 98837359

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 165001, 495003, 1485009, 4455027, 7095043, 21285129, 63855387, 191566161]

約数ペア:

[(1, 191566161), (3, 63855387), (9, 21285129), (27, 7095043), (43, 4455027), (129, 1485009), (387, 495003), (1161, 165001)]