12743781

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 17504256

約数和(自身を除く): 4760475

約数列:

[1, 3, 43, 129, 223, 443, 669, 1329, 9589, 19049, 28767, 57147, 98789, 296367, 4247927, 12743781]

約数ペア:

[(1, 12743781), (3, 4247927), (43, 296367), (129, 98789), (223, 57147), (443, 28767), (669, 19049), (1329, 9589)]