28687755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{112501}}^1$

素因数の和:112526

約数の個数: 16

約数和(自身を含む): 48600864

約数和(自身を除く): 19913109

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 112501, 337503, 562505, 1687515, 1912517, 5737551, 9562585, 28687755]

約数ペア:

[(1, 28687755), (3, 9562585), (5, 5737551), (15, 1912517), (17, 1687515), (51, 562505), (85, 337503), (255, 112501)]