208400721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{11681}}^1$

素因数の和:12016

約数の個数: 16

約数和(自身を含む): 293451840

約数和(自身を除く): 85051119

約数列:

[1, 3, 19, 57, 313, 939, 5947, 11681, 17841, 35043, 221939, 665817, 3656153, 10968459, 69466907, 208400721]

約数ペア:

[(1, 208400721), (3, 69466907), (19, 10968459), (57, 3656153), (313, 665817), (939, 221939), (5947, 35043), (11681, 17841)]