18549081

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3137}}^1$

素因数の和:3222

約数の個数: 20

約数和(自身を含む): 28097652

約数和(自身を除く): 9548571

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3137, 5913, 9411, 28233, 84699, 229001, 254097, 687003, 2061009, 6183027, 18549081]

約数ペア:

[(1, 18549081), (3, 6183027), (9, 2061009), (27, 687003), (73, 254097), (81, 229001), (219, 84699), (657, 28233), (1971, 9411), (3137, 5913)]