# unitary perfect number

> integer which is the sum of its positive proper unitary divisors, not including the number itself

**Wikidata**: [Q2370031](https://www.wikidata.org/wiki/Q2370031)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Unitary_perfect_number)  
**Source**: https://4ort.xyz/entity/unitary-perfect-number


## References

1. Freebase Data Dumps. 2013