216087561

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{470779}}^1$

素因数の和:470805

約数の個数: 16

約数和(自身を含む): 338961600

約数和(自身を除く): 122874039

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 470779, 1412337, 4237011, 8003243, 12711033, 24009729, 72029187, 216087561]

約数ペア:

[(1, 216087561), (3, 72029187), (9, 24009729), (17, 12711033), (27, 8003243), (51, 4237011), (153, 1412337), (459, 470779)]