28108551

素因数分解:

$3^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 38016000

約数和(自身を除く): 9907449

約数列:

[1, 3, 197, 199, 239, 591, 597, 717, 39203, 47083, 47561, 117609, 141249, 142683, 9369517, 28108551]

約数ペア:

[(1, 28108551), (3, 9369517), (197, 142683), (199, 141249), (239, 117609), (591, 47561), (597, 47083), (717, 39203)]