81138165

素因数分解:

$3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{28027}}^1$

素因数の和:28228

約数の個数: 16

約数和(自身を含む): 130498368

約数和(自身を除く): 49360203

約数列:

[1, 3, 5, 15, 193, 579, 965, 2895, 28027, 84081, 140135, 420405, 5409211, 16227633, 27046055, 81138165]

約数ペア:

[(1, 81138165), (3, 27046055), (5, 16227633), (15, 5409211), (193, 420405), (579, 140135), (965, 84081), (2895, 28027)]