31749057

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 49920000

約数和(自身を除く): 18170943

約数列:

[1, 3, 9, 19, 27, 57, 171, 199, 311, 513, 597, 933, 1791, 2799, 3781, 5373, 5909, 8397, 11343, 17727, 34029, 53181, 61889, 102087, 159543, 185667, 557001, 1175891, 1671003, 3527673, 10583019, 31749057]

約数ペア:

[(1, 31749057), (3, 10583019), (9, 3527673), (19, 1671003), (27, 1175891), (57, 557001), (171, 185667), (199, 159543), (311, 102087), (513, 61889), (597, 53181), (933, 34029), (1791, 17727), (2799, 11343), (3781, 8397), (5373, 5909)]