28623681

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 43472000

約数和(自身を除く): 14848319

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1591, 1999, 4773, 5997, 14319, 17991, 73963, 85957, 221889, 257871, 665667, 773613, 3180409, 9541227, 28623681]

約数ペア:

[(1, 28623681), (3, 9541227), (9, 3180409), (37, 773613), (43, 665667), (111, 257871), (129, 221889), (333, 85957), (387, 73963), (1591, 17991), (1999, 14319), (4773, 5997)]