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The number of odd proper divisors of 3^(...

The number of odd proper divisors of `3^(p)*6^(q)*15^(r),AA p,q,r, in N`, is

A

(a) (p+q+1)(q+r+1)(r+1)

B

(b) (p+q+1)(q+r+1)(r+1)-2

C

(c) (p+q)(q+r)r-2

D

(d) (p+q)(q+r)r

Text Solution

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The correct Answer is:
B
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