2016137781

素因数分解:

$3^2\times 7^2\times {\mathrm{4571741}}^1$

素因数の和:4571761

約数の個数: 18

約数和(自身を含む): 3387660822

約数和(自身を除く): 1371523041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4571741, 13715223, 32002187, 41145669, 96006561, 224015309, 288019683, 672045927, 2016137781]

約数ペア:

[(1, 2016137781), (3, 672045927), (7, 288019683), (9, 224015309), (21, 96006561), (49, 41145669), (63, 32002187), (147, 13715223), (441, 4571741)]