Divisor Counting Function/Examples/3

Example of Use of Divisor Counting Function

 * $\map {\sigma_0} 3 = 2$

where $\sigma_0$ denotes the divisor counting function.

Proof
We have that $3$ is a prime number.

From Divisor Counting Function of Prime Number:
 * $\map {\sigma_0} 3 = 2$

[[Category:3]]