16538499

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1069}}^1$

素因数の和:1272

約数の個数: 20

約数和(自身を含む): 24858240

約数和(自身を除く): 8319741

約数列:

[1, 3, 9, 27, 81, 191, 573, 1069, 1719, 3207, 5157, 9621, 15471, 28863, 86589, 204179, 612537, 1837611, 5512833, 16538499]

約数ペア:

[(1, 16538499), (3, 5512833), (9, 1837611), (27, 612537), (81, 204179), (191, 86589), (573, 28863), (1069, 15471), (1719, 9621), (3207, 5157)]