18077521

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{3049}}^1$

素因数の和:3085

約数の個数: 18

約数和(自身を含む): 23122050

約数和(自身を除く): 5044529

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 3049, 5929, 21343, 33539, 149401, 234773, 368929, 1643411, 2582503, 18077521]

約数ペア:

[(1, 18077521), (7, 2582503), (11, 1643411), (49, 368929), (77, 234773), (121, 149401), (539, 33539), (847, 21343), (3049, 5929)]