[1,2,3,2,6,3,2,9,9,3,2,12,18,12,3,2,15,30,30,15,3, 2,18,45,60,45,18,3,2,21,63,105,105,63,21,3,2,24, 84,168,210,168,84,24,3,2,27,108,252,378,378,252, 108,27,3]