208880493

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{1399}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 281366400

約数和(自身を除く): 72485907

約数列:

[1, 3, 157, 317, 471, 951, 1399, 4197, 49769, 149307, 219643, 443483, 658929, 1330449, 69626831, 208880493]

約数ペア:

[(1, 208880493), (3, 69626831), (157, 1330449), (317, 658929), (471, 443483), (951, 219643), (1399, 149307), (4197, 49769)]