31327681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2927}}^1$

素因数の和:3084

約数の個数: 16

約数和(自身を含む): 39352320

約数和(自身を除く): 8024639

約数列:

[1, 7, 11, 77, 139, 973, 1529, 2927, 10703, 20489, 32197, 225379, 406853, 2847971, 4475383, 31327681]

約数ペア:

[(1, 31327681), (7, 4475383), (11, 2847971), (77, 406853), (139, 225379), (973, 32197), (1529, 20489), (2927, 10703)]