12428685

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2137

約数の個数: 24

約数和(自身を含む): 21708960

約数和(自身を除く): 9280275

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 1987, 2085, 5961, 6255, 9935, 17883, 29805, 89415, 276193, 828579, 1380965, 2485737, 4142895, 12428685]

約数ペア:

[(1, 12428685), (3, 4142895), (5, 2485737), (9, 1380965), (15, 828579), (45, 276193), (139, 89415), (417, 29805), (695, 17883), (1251, 9935), (1987, 6255), (2085, 5961)]