17909721

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{39019}}^1$

素因数の和:39045

約数の個数: 16

約数和(自身を含む): 28094400

約数和(自身を除く): 10184679

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 39019, 117057, 351171, 663323, 1053513, 1989969, 5969907, 17909721]

約数ペア:

[(1, 17909721), (3, 5969907), (9, 1989969), (17, 1053513), (27, 663323), (51, 351171), (153, 117057), (459, 39019)]