a. If p is a prime number and a is a positive integer, how many distinct positive divisors does
b. If p and q are distinct prime numbers and a and b are positive integers, how many distinct positive divisors does
c. If p, q, and r are distinct prime numbers and a, b, and c are positive integers, how many distinct positive divisors does
d. If
e. What is the smallest positive integer with exactly 12 divisors?
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Discrete Mathematics With Applications
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