28143009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5309}}^1$

素因数の和:5365

約数の個数: 24

約数和(自身を含む): 44179200

約数和(自身を除く): 16036191

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 5301, 5309, 15927, 47781, 100871, 164579, 302613, 493737, 907839, 1481211, 3127001, 9381003, 28143009]

約数ペア:

[(1, 28143009), (3, 9381003), (9, 3127001), (19, 1481211), (31, 907839), (57, 493737), (93, 302613), (171, 164579), (279, 100871), (589, 47781), (1767, 15927), (5301, 5309)]