18117291

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2593}}^1$

素因数の和:2750

約数の個数: 16

約数和(自身を含む): 25773984

約数和(自身を除く): 7656693

約数列:

[1, 3, 17, 51, 137, 411, 2329, 2593, 6987, 7779, 44081, 132243, 355241, 1065723, 6039097, 18117291]

約数ペア:

[(1, 18117291), (3, 6039097), (17, 1065723), (51, 355241), (137, 132243), (411, 44081), (2329, 7779), (2593, 6987)]