81991311

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1\times {\mathrm{1193}}^1$

素因数の和:1966

約数の個数: 16

約数和(自身を含む): 113095680

約数和(自身を除く): 31104369

約数列:

[1, 3, 31, 93, 739, 1193, 2217, 3579, 22909, 36983, 68727, 110949, 881627, 2644881, 27330437, 81991311]

約数ペア:

[(1, 81991311), (3, 27330437), (31, 2644881), (93, 881627), (739, 110949), (1193, 68727), (2217, 36983), (3579, 22909)]