397467

素因数分解:

$3^4\times 7^1\times {\mathrm{701}}^1$

素因数の和:720

約数の個数: 20

約数和(自身を含む): 679536

約数和(自身を除く): 282069

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 701, 2103, 4907, 6309, 14721, 18927, 44163, 56781, 132489, 397467]

約数ペア:

[(1, 397467), (3, 132489), (7, 56781), (9, 44163), (21, 18927), (27, 14721), (63, 6309), (81, 4907), (189, 2103), (567, 701)]