31311049

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{5281}}^1$

素因数の和:5317

約数の個数: 18

約数和(自身を含む): 40042842

約数和(自身を除く): 8731793

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5281, 5929, 36967, 58091, 258769, 406637, 639001, 2846459, 4473007, 31311049]

約数ペア:

[(1, 31311049), (7, 4473007), (11, 2846459), (49, 639001), (77, 406637), (121, 258769), (539, 58091), (847, 36967), (5281, 5929)]