357739200domain: NAppears in sequencesPrimitive e-perfect numbers: primitive elements of the e-perfect numbers (A054979).at n=7A054980List of e-unitary perfect numbers that are not e-semiproper perfect numbers.at n=19A323310Primitive e-unitary perfect numbers: powerful numbers k for which A322857(k) = 2*k.at n=5A391281