8247141

素因数分解:

$3^2\times 7^2\times {\mathrm{18701}}^1$

素因数の和:18721

約数の個数: 18

約数和(自身を含む): 13858182

約数和(自身を除く): 5611041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 18701, 56103, 130907, 168309, 392721, 916349, 1178163, 2749047, 8247141]

約数ペア:

[(1, 8247141), (3, 2749047), (7, 1178163), (9, 916349), (21, 392721), (49, 168309), (63, 130907), (147, 56103), (441, 18701)]