Question: op has changed - how do I change a funtion to an integer

Recently I came across a page that was working with ifactor and it seems op now handles the operations a bit different now. 

ifactor(3^43+1);

       (2) (82064241848634269407)

a:=op(2,%):

ifactor(3^41+1);

       (2)(270547105429567)(33703)

b:=op(2,%):

c:=a*b;

     (82064241848634269407) (271547105429567)

just returns the two bracketed numbers but doesn't actually multiply them out like in the pages I found, which probably uses an older version of maple.  Both a and b turn out to be functions and not integers.  Can I change them into integers so that I can use them in operations? 

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