They are numbers of the form 2a*3b where a is 0, 1, ... , 6 and b = 0, 1 or 2.
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All but the square numbers - 53 of them.
All nonzero numbers have factors. Some factors are even numbers, some factors are odd numbers.
I think this is one for trial and error. Are you counting 1 as a factor?
There is no number shown.
The factors of a number comprises all positive integers which go into it evenly.