2013868521

素因数分解:

$3^3\times 7^1\times {\mathrm{10655389}}^1$

素因数の和:10655405

約数の個数: 16

約数和(自身を含む): 3409724800

約数和(自身を除く): 1395856279

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 10655389, 31966167, 74587723, 95898501, 223763169, 287695503, 671289507, 2013868521]

約数ペア:

[(1, 2013868521), (3, 671289507), (7, 287695503), (9, 223763169), (21, 95898501), (27, 74587723), (63, 31966167), (189, 10655389)]