289073853

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{115123}}^1$

素因数の和:115166

約数の個数: 20

約数和(自身を含む): 445760128

約数和(自身を除く): 156686275

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 115123, 345369, 1036107, 3108321, 3568813, 9324963, 10706439, 32119317, 96357951, 289073853]

約数ペア:

[(1, 289073853), (3, 96357951), (9, 32119317), (27, 10706439), (31, 9324963), (81, 3568813), (93, 3108321), (279, 1036107), (837, 345369), (2511, 115123)]