7668027

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:840

約数の個数: 20

約数和(自身を含む): 11555016

約数和(自身を除く): 3886989

約数列:

[1, 3, 9, 27, 81, 137, 411, 691, 1233, 2073, 3699, 6219, 11097, 18657, 55971, 94667, 284001, 852003, 2556009, 7668027]

約数ペア:

[(1, 7668027), (3, 2556009), (9, 852003), (27, 284001), (81, 94667), (137, 55971), (411, 18657), (691, 11097), (1233, 6219), (2073, 3699)]