English
triperfect
From tri- + perfect.
Today it means
adj multiperfect such that σ(n) = 3n
Sources
Sources: Wiktionary, “triperfect”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / triperfect