201221079

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{5501}}^1$

素因数の和:5730

約数の個数: 16

約数和(自身を含む): 273339360

約数和(自身を除く): 72118281

約数列:

[1, 3, 89, 137, 267, 411, 5501, 12193, 16503, 36579, 489589, 753637, 1468767, 2260911, 67073693, 201221079]

約数ペア:

[(1, 201221079), (3, 67073693), (89, 2260911), (137, 1468767), (267, 753637), (411, 489589), (5501, 36579), (12193, 16503)]