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The number of positive odd divisors of 216 is
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The correct answer is:
$4$
The factors of $216=2^3 \cdot 3^3$
The odd divisors are the multiple of 3.
$\therefore$ The number of divisors
$$
=3+1=4
$$
The odd divisors are the multiple of 3.
$\therefore$ The number of divisors
$$
=3+1=4
$$
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