Делители числа 864: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864.

Делители числа 875: 1, 5, 7, 25, 35, 125, 175, 875.