“There are some who believe that Islam is a pagan religion.”
In some respects, such as their lunar calendar, they are. Mostly, it is a corruption of Jewish and Christian beliefs with some violent, deluded drivel thrown in. When you read the Sura in chronological order the madness of Mohammed becomes readily apparent as his violence and his grandiosity become more evident with each subsequent passage.
Islam is not a pagan faith, although there are elements of pagan thought in it. Mind you, there are elements of pagan thought in Christianity too. More than we might like to admit...