991899

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2187

約数の個数: 16

約数和(自身を含む): 1556640

約数和(自身を除く): 564741

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 2161, 6483, 19449, 36737, 58347, 110211, 330633, 991899]

約数ペア:

[(1, 991899), (3, 330633), (9, 110211), (17, 58347), (27, 36737), (51, 19449), (153, 6483), (459, 2161)]