77681037

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 120766464

約数和(自身を除く): 43085427

約数列:

[1, 3, 7, 21, 107, 181, 191, 321, 543, 573, 749, 1267, 1337, 2247, 3801, 4011, 19367, 20437, 34571, 58101, 61311, 103713, 135569, 143059, 241997, 406707, 429177, 725991, 3699097, 11097291, 25893679, 77681037]

約数ペア:

[(1, 77681037), (3, 25893679), (7, 11097291), (21, 3699097), (107, 725991), (181, 429177), (191, 406707), (321, 241997), (543, 143059), (573, 135569), (749, 103713), (1267, 61311), (1337, 58101), (2247, 34571), (3801, 20437), (4011, 19367)]