27978039

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1709}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 43215120

約数和(自身を除く): 15237081

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 1709, 1819, 5127, 5457, 15381, 16371, 29053, 87159, 182863, 261477, 548589, 1645767, 3108671, 9326013, 27978039]

約数ペア:

[(1, 27978039), (3, 9326013), (9, 3108671), (17, 1645767), (51, 548589), (107, 261477), (153, 182863), (321, 87159), (963, 29053), (1709, 16371), (1819, 15381), (5127, 5457)]