2021988789

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{777389}}^1$

素因数の和:777429

約数の個数: 18

約数和(自身を含む): 3102563490

約数和(自身を除く): 1080574701

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 777389, 2332167, 6996501, 13215613, 39646839, 118940517, 224665421, 673996263, 2021988789]

約数ペア:

[(1, 2021988789), (3, 673996263), (9, 224665421), (17, 118940517), (51, 39646839), (153, 13215613), (289, 6996501), (867, 2332167), (2601, 777389)]