15206821

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2659}}^1$

素因数の和:2728

約数の個数: 16

約数和(自身を含む): 18726400

約数和(自身を除く): 3519579

約数列:

[1, 7, 19, 43, 133, 301, 817, 2659, 5719, 18613, 50521, 114337, 353647, 800359, 2172403, 15206821]

約数ペア:

[(1, 15206821), (7, 2172403), (19, 800359), (43, 353647), (133, 114337), (301, 50521), (817, 18613), (2659, 5719)]