12692781

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:810

約数の個数: 20

約数和(自身を含む): 19057500

約数和(自身を除く): 6364719

約数列:

[1, 3, 9, 27, 81, 349, 449, 1047, 1347, 3141, 4041, 9423, 12123, 28269, 36369, 156701, 470103, 1410309, 4230927, 12692781]

約数ペア:

[(1, 12692781), (3, 4230927), (9, 1410309), (27, 470103), (81, 156701), (349, 36369), (449, 28269), (1047, 12123), (1347, 9423), (3141, 4041)]