More fun in 2015, Part 41

Find L=logϕ(n)dnϕ(d)L=\log_{\phi(n)}\prod_{d|n}\phi(d) for n=2014×2015n=2014\times 2015.

Bonus Problem: Find this logarithm for any square-free nn.


Inspired by Chinmay Sangawadekar.
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