81665913

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{6163}}^1$

素因数の和:6804

約数の個数: 16

約数和(自身を含む): 124660736

約数和(自身を除く): 42994823

約数列:

[1, 3, 7, 21, 631, 1893, 4417, 6163, 13251, 18489, 43141, 129423, 3888853, 11666559, 27221971, 81665913]

約数ペア:

[(1, 81665913), (3, 27221971), (7, 11666559), (21, 3888853), (631, 129423), (1893, 43141), (4417, 18489), (6163, 13251)]