28143945

素因数分解:

$3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2011}}^1$

素因数の和:2333

約数の個数: 24

約数和(自身を含む): 48964032

約数和(自身を除く): 20820087

約数列:

[1, 3, 5, 9, 15, 45, 311, 933, 1555, 2011, 2799, 4665, 6033, 10055, 13995, 18099, 30165, 90495, 625421, 1876263, 3127105, 5628789, 9381315, 28143945]

約数ペア:

[(1, 28143945), (3, 9381315), (5, 5628789), (9, 3127105), (15, 1876263), (45, 625421), (311, 90495), (933, 30165), (1555, 18099), (2011, 13995), (2799, 10055), (4665, 6033)]