17874999

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3023}}^1$

素因数の和:3108

約数の個数: 20

約数和(自身を含む): 27076896

約数和(自身を除く): 9201897

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3023, 5913, 9069, 27207, 81621, 220679, 244863, 662037, 1986111, 5958333, 17874999]

約数ペア:

[(1, 17874999), (3, 5958333), (9, 1986111), (27, 662037), (73, 244863), (81, 220679), (219, 81621), (657, 27207), (1971, 9069), (3023, 5913)]