Question: A perfect number is a number that is equal to the sum of its proper divisors . For example, the first perfect number is 6

A perfect number is a number that is equal to the sum of its proper divisors. For example, the first perfect number is

6 = 1 + 2 + 3.

Another example is

28 = 1 + 2 + 4 + 7 + 14.

Write a Java application that decides whether a number input is a perfect number.

draw a UML activity diagram

Describe the problem & tests that you are going to use to make sure the program works

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