8720943

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2027

約数の個数: 32

約数和(自身を含む): 15267840

約数和(自身を除く): 6546897

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 1987, 4389, 5961, 13909, 21857, 37753, 41727, 65571, 113259, 152999, 264271, 415283, 458997, 792813, 1245849, 2906981, 8720943]

約数ペア:

[(1, 8720943), (3, 2906981), (7, 1245849), (11, 792813), (19, 458997), (21, 415283), (33, 264271), (57, 152999), (77, 113259), (133, 65571), (209, 41727), (231, 37753), (399, 21857), (627, 13909), (1463, 5961), (1987, 4389)]