lib/numb/perfect.rb in numb-0.21.0 vs lib/numb/perfect.rb in numb-0.63.0

@@ -1,10 +1,8 @@
 # coding: utf-8
 class Integer
   def perfect?
     return false if self < 6 or self.odd? or self.to_s !~ /(6|8)$/
     return false if self != 6 and digital_root != 1  
-    divisors = proper_positive_divisors
-    return false unless (divisors.size + 1).even?
-    divisors.reduce(:+) == self
+    k_perfect?(2)
   end
 end