81118017

素因数分解:

$3^7\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 125952000

約数和(自身を除く): 44833983

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 1279, 2187, 2349, 3837, 7047, 11511, 21141, 34533, 37091, 63423, 103599, 111273, 310797, 333819, 932391, 1001457, 2797173, 3004371, 9013113, 27039339, 81118017]

約数ペア:

[(1, 81118017), (3, 27039339), (9, 9013113), (27, 3004371), (29, 2797173), (81, 1001457), (87, 932391), (243, 333819), (261, 310797), (729, 111273), (783, 103599), (1279, 63423), (2187, 37091), (2349, 34533), (3837, 21141), (7047, 11511)]