81554229459

素因数分解:

$3^7\times {\mathrm{37290457}}^1$

素因数の和:37290478

約数の個数: 16

約数和(自身を含む): 122312702240

約数和(自身を除く): 40758472781

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 37290457, 111871371, 335614113, 1006842339, 3020527017, 9061581051, 27184743153, 81554229459]

約数ペア:

[(1, 81554229459), (3, 27184743153), (9, 9061581051), (27, 3020527017), (81, 1006842339), (243, 335614113), (729, 111871371), (2187, 37290457)]