9647721

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{21019}}^1$

素因数の和:21045

約数の個数: 16

約数和(自身を含む): 15134400

約数和(自身を除く): 5486679

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 21019, 63057, 189171, 357323, 567513, 1071969, 3215907, 9647721]

約数ペア:

[(1, 9647721), (3, 3215907), (9, 1071969), (17, 567513), (27, 357323), (51, 189171), (153, 63057), (459, 21019)]