68772781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20771}}^1$

素因数の和:20832

約数の個数: 16

約数和(自身を含む): 87740928

約数和(自身を除く): 18968147

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 20771, 145397, 228481, 893153, 1599367, 6252071, 9824683, 68772781]

約数ペア:

[(1, 68772781), (7, 9824683), (11, 6252071), (43, 1599367), (77, 893153), (301, 228481), (473, 145397), (3311, 20771)]