Respuesta:
de 3: 12,15,18,21,24,27
de 7: 126,133,140,147,154,161
de 11: 528,539,550,561,572
divisor de 18: 1,2,3,6,9
divisor de 12: 1,2,3,4,6
divisor de 36: 1,2,3,4,6,9,12,16
divisor de 48: 1,2,3,4,6,8,12,16,24
divisor de 72: 1,2,3,4,6,8,9,12,18,24,39