How many factors of 953990136 are odd numbers?

Answer 1

Prime factors: of 953990136 = 2 × 2 × 2 × 3 × 3 × 3 × 3 × 11 × 11 × 23 × 23 × 23
9 of them are odd numbers

Comments

Shouldn't we include odd composite factors?

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You are right, I missed it.
So total number is calculated from the powers of odd factors by adding one rule: in this case ignoring even numbers we have 3^4*11^2*23^3 and
(4+1)*(2+1)*(3+1)=60 is the total number of factors that are odd numbers.Is this correct?

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I think it is right.