27988961

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27961}}^1$

素因数の和:27992

約数の個数: 16

約数和(自身を含む): 37580928

約数和(自身を除く): 9591967

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 27961, 195727, 307571, 363493, 2152997, 2544451, 3998423, 27988961]

約数ペア:

[(1, 27988961), (7, 3998423), (11, 2544451), (13, 2152997), (77, 363493), (91, 307571), (143, 195727), (1001, 27961)]