14的因数是:1,2,7,14.
23的因数是:1,23.
27的因数是:1,3,9,27.
39的因数是:1,3,13,39.
56的因数是:1,2,4,7,8,14,28,56.
64的因数是:1,2,4,8,16,32,64.