205345863

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 329472000

約数和(自身を除く): 124126137

約数列:

[1, 3, 9, 19, 23, 57, 69, 109, 171, 207, 327, 437, 479, 981, 1311, 1437, 2071, 2507, 3933, 4311, 6213, 7521, 9101, 11017, 18639, 22563, 27303, 33051, 47633, 52211, 81909, 99153, 142899, 156633, 209323, 428697, 469899, 627969, 992009, 1200853, 1883907, 2976027, 3602559, 8928081, 10807677, 22816207, 68448621, 205345863]

約数ペア:

[(1, 205345863), (3, 68448621), (9, 22816207), (19, 10807677), (23, 8928081), (57, 3602559), (69, 2976027), (109, 1883907), (171, 1200853), (207, 992009), (327, 627969), (437, 469899), (479, 428697), (981, 209323), (1311, 156633), (1437, 142899), (2071, 99153), (2507, 81909), (3933, 52211), (4311, 47633), (6213, 33051), (7521, 27303), (9101, 22563), (11017, 18639)]