9055557

素因数分解:

$3^4\times 7^1\times {\mathrm{15971}}^1$

素因数の和:15990

約数の個数: 20

約数和(自身を含む): 15460896

約数和(自身を除く): 6405339

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 15971, 47913, 111797, 143739, 335391, 431217, 1006173, 1293651, 3018519, 9055557]

約数ペア:

[(1, 9055557), (3, 3018519), (7, 1293651), (9, 1006173), (21, 431217), (27, 335391), (63, 143739), (81, 111797), (189, 47913), (567, 15971)]