206500905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3299}}^1$

素因数の和:3430

約数の個数: 48

約数和(自身を含む): 389188800

約数和(自身を除く): 182687895

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 107, 117, 195, 321, 535, 585, 963, 1391, 1605, 3299, 4173, 4815, 6955, 9897, 12519, 16495, 20865, 29691, 42887, 49485, 62595, 128661, 148455, 214435, 352993, 385983, 643305, 1058979, 1764965, 1929915, 3176937, 4588909, 5294895, 13766727, 15884685, 22944545, 41300181, 68833635, 206500905]

約数ペア:

[(1, 206500905), (3, 68833635), (5, 41300181), (9, 22944545), (13, 15884685), (15, 13766727), (39, 5294895), (45, 4588909), (65, 3176937), (107, 1929915), (117, 1764965), (195, 1058979), (321, 643305), (535, 385983), (585, 352993), (963, 214435), (1391, 148455), (1605, 128661), (3299, 62595), (4173, 49485), (4815, 42887), (6955, 29691), (9897, 20865), (12519, 16495)]