text: The first perfect number is 6 , because 1 , 2 , and 3 are its proper positive divisors , and 1 + 2 + 3 = 6 .
simplified: Six is the first perfect number . Its divisors ( other than the number itself : 6 ) are 1 , 2 , and 3 and 1 + 2 + 3 equals 6 .