30641121

素因数分解:

$3^2\times 7^2\times {\mathrm{69481}}^1$

素因数の和:69501

約数の個数: 18

約数和(自身を含む): 51486162

約数和(自身を除く): 20845041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 69481, 208443, 486367, 625329, 1459101, 3404569, 4377303, 10213707, 30641121]

約数ペア:

[(1, 30641121), (3, 10213707), (7, 4377303), (9, 3404569), (21, 1459101), (49, 625329), (63, 486367), (147, 208443), (441, 69481)]