74561985

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 143136000

約数和(自身を除く): 68574015

約数列:

[1, 3, 5, 9, 15, 19, 27, 41, 45, 57, 95, 123, 135, 171, 205, 285, 369, 513, 615, 709, 779, 855, 1107, 1845, 2127, 2337, 2565, 3545, 3895, 5535, 6381, 7011, 10635, 11685, 13471, 19143, 21033, 29069, 31905, 35055, 40413, 67355, 87207, 95715, 105165, 121239, 145345, 202065, 261621, 363717, 436035, 552311, 606195, 784863, 1308105, 1656933, 1818585, 2761555, 3924315, 4970799, 8284665, 14912397, 24853995, 74561985]

約数ペア:

[(1, 74561985), (3, 24853995), (5, 14912397), (9, 8284665), (15, 4970799), (19, 3924315), (27, 2761555), (41, 1818585), (45, 1656933), (57, 1308105), (95, 784863), (123, 606195), (135, 552311), (171, 436035), (205, 363717), (285, 261621), (369, 202065), (513, 145345), (615, 121239), (709, 105165), (779, 95715), (855, 87207), (1107, 67355), (1845, 40413), (2127, 35055), (2337, 31905), (2565, 29069), (3545, 21033), (3895, 19143), (5535, 13471), (6381, 11685), (7011, 10635)]