a(n) = sigma(n)*|A002129(n)| where sigma(n) = A000203(n).

Terms

a(0) =1a(1) =3a(2) =16a(3) =35a(4) =36a(5) =48a(6) =64a(7) =195a(8) =169a(9) =108a(10) =144a(11) =560a(12) =196a(13) =192a(14) =576a(15) =899a(16) =324a(17) =507a(18) =400a(19) =1260a(20) =1024a(21) =432a(22) =576a(23) =3120a(24) =961a(25) =588a(26) =1600a(27) =2240a(28) =900a(29) =1728