28252755

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3187}}^1$

素因数の和:3395

約数の個数: 24

約数和(自身を含む): 49235472

約数和(自身を除く): 20982717

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 3187, 8865, 9561, 15935, 28683, 47805, 143415, 627839, 1883517, 3139195, 5650551, 9417585, 28252755]

約数ペア:

[(1, 28252755), (3, 9417585), (5, 5650551), (9, 3139195), (15, 1883517), (45, 627839), (197, 143415), (591, 47805), (985, 28683), (1773, 15935), (2955, 9561), (3187, 8865)]