Unitary barely 3-abundant: numbers m such that 3 < usigma(m)/m < usigma(k)/k for all numbers k < m, where usigma is the sum of unitary divisors function (A034448).
A336671
Unitary barely 3-abundant: numbers m such that 3 < usigma(m)/m < usigma(k)/k for all numbers k < m, where usigma is the sum of unitary divisors function (A034448).
Terms
- a(0) =30030a(1) =39270a(2) =43890a(3) =46410a(4) =51870a(5) =62790a(6) =67830a(7) =79170a(8) =82110a(9) =91770a(10) =103530a(11) =161070a(12) =166530a(13) =709170a(14) =718410a(15) =723030a(16) =732270a(17) =764610a(18) =778470a(19) =801570a(20) =806190a(21) =815430a(22) =829290a(23) =833910a(24) =847770a(25) =861630a(26) =875490a(27) =884730a(28) =155934030a(29) =264670770
External references
- oeis: A336671