72765441

素因数分解:

$3^2\times 7^2\times {\mathrm{165001}}^1$

素因数の和:165021

約数の個数: 18

約数和(自身を含む): 122266482

約数和(自身を除く): 49501041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 165001, 495003, 1155007, 1485009, 3465021, 8085049, 10395063, 24255147, 72765441]

約数ペア:

[(1, 72765441), (3, 24255147), (7, 10395063), (9, 8085049), (21, 3465021), (49, 1485009), (63, 1155007), (147, 495003), (441, 165001)]