991169727

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4057}}^1$

素因数の和:4199

約数の個数: 32

約数和(自身を含む): 1421144064

約数和(自身を除く): 429974337

約数列:

[1, 3, 31, 37, 71, 93, 111, 213, 1147, 2201, 2627, 3441, 4057, 6603, 7881, 12171, 81437, 125767, 150109, 244311, 288047, 377301, 450327, 864141, 4653379, 8929457, 10657739, 13960137, 26788371, 31973217, 330389909, 991169727]

約数ペア:

[(1, 991169727), (3, 330389909), (31, 31973217), (37, 26788371), (71, 13960137), (93, 10657739), (111, 8929457), (213, 4653379), (1147, 864141), (2201, 450327), (2627, 377301), (3441, 288047), (4057, 244311), (6603, 150109), (7881, 125767), (12171, 81437)]