17205279

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 30965760

約数和(自身を除く): 13760481

約数列:

[1, 3, 7, 13, 19, 21, 31, 39, 57, 91, 93, 107, 133, 217, 247, 273, 321, 399, 403, 589, 651, 741, 749, 1209, 1391, 1729, 1767, 2033, 2247, 2821, 3317, 4123, 4173, 5187, 6099, 7657, 8463, 9737, 9951, 12369, 14231, 22971, 23219, 26429, 29211, 42693, 43121, 53599, 63023, 69657, 79287, 129363, 160797, 185003, 189069, 301847, 441161, 555009, 819299, 905541, 1323483, 2457897, 5735093, 17205279]

約数ペア:

[(1, 17205279), (3, 5735093), (7, 2457897), (13, 1323483), (19, 905541), (21, 819299), (31, 555009), (39, 441161), (57, 301847), (91, 189069), (93, 185003), (107, 160797), (133, 129363), (217, 79287), (247, 69657), (273, 63023), (321, 53599), (399, 43121), (403, 42693), (589, 29211), (651, 26429), (741, 23219), (749, 22971), (1209, 14231), (1391, 12369), (1729, 9951), (1767, 9737), (2033, 8463), (2247, 7657), (2821, 6099), (3317, 5187), (4123, 4173)]