ax(b+c)=513
ax(b+c)=3x3x3x19
a=1, b+c=513, 6a+(b+c)=6+513=519
a=3, b+c=3x3x19=171, 6xa+(b+c)=6x3+171=18+171=189
a=9, b+c=3x19=357. 6xa+(b+c)=6x9+357=411
a=27, b+c=19, 6xa+(b+c)=6x27+19=181
a=19, b+c=27 6xa+(b+c)=6x19+27=141
a=357, b=9, 6xa+(b+c)=6x357+9=2151
a=171, b+c=3 6x171+3=1029
