47702781

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17609}}^1$

素因数の和:17665

約数の個数: 24

約数和(自身を含む): 80583360

約数和(自身を除く): 32880579

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 17609, 52827, 123263, 158481, 369789, 757187, 1109367, 2271561, 5300309, 6814683, 15900927, 47702781]

約数ペア:

[(1, 47702781), (3, 15900927), (7, 6814683), (9, 5300309), (21, 2271561), (43, 1109367), (63, 757187), (129, 369789), (301, 158481), (387, 123263), (903, 52827), (2709, 17609)]