Perfect Numbers
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Ivars Peterson's MathTrek - Cubes of Perfection
Ivars Peterson's MathTrek May 18, 1998 Cubes of Perfection Playing with integers can lead to all sorts of little surprises. A whole number that is equal to the sum of all its possible divisors --including 1 but not the number itself -- is known as a perfect number (see A Perfect Collaboration). For example, the proper divisors of 6 are 1, 2, and 3, and 1 + 2 + 3 equals 6. Six is the smallest ...
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