31209471

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 46445360

約数和(自身を除く): 15235889

約数列:

[1, 3, 9, 67, 73, 201, 219, 603, 657, 709, 2127, 4891, 6381, 14673, 44019, 47503, 51757, 142509, 155271, 427527, 465813, 3467719, 10403157, 31209471]

約数ペア:

[(1, 31209471), (3, 10403157), (9, 3467719), (67, 465813), (73, 427527), (201, 155271), (219, 142509), (603, 51757), (657, 47503), (709, 44019), (2127, 14673), (4891, 6381)]