81284157

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{5477}}^1$

素因数の和:5597

約数の個数: 24

約数和(自身を含む): 125621496

約数和(自身を除く): 44337339

約数列:

[1, 3, 9, 17, 51, 97, 153, 291, 873, 1649, 4947, 5477, 14841, 16431, 49293, 93109, 279327, 531269, 837981, 1593807, 4781421, 9031573, 27094719, 81284157]

約数ペア:

[(1, 81284157), (3, 27094719), (9, 9031573), (17, 4781421), (51, 1593807), (97, 837981), (153, 531269), (291, 279327), (873, 93109), (1649, 49293), (4947, 16431), (5477, 14841)]