The Repeated Divisor Function and Possible Correlation with Highly Composite Numbers

Sayak Chakrabarty, Arghya Dutta

Let n be a non-null positive integer and $d(n)$ is the number of positive divisors of n, called the divisor function. Of course, $d(n)\le n$. $d(n)=1$ if and only if $n=1$. F…