Sum of the cumulative sums of all the permutations of divisors of number n.

Terms

a(0) =1a(1) =9a(2) =12a(3) =84a(4) =18a(5) =720a(6) =24a(7) =900a(8) =156a(9) =1080a(10) =36a(11) =70560a(12) =42a(13) =1440a(14) =1440a(15) =11160a(16) =54a(17) =98280a(18) =60a(19) =105840a(20) =1920a(21) =2160a(22) =72a(23) =10886400a(24) =372a(25) =2520a(26) =2400a(27) =141120a(28) =90a(29) =13063680