2180944521

素因数分解:

$3^4\times 7^1\times {\mathrm{3846463}}^1$

素因数の和:3846482

約数の個数: 20

約数和(自身を含む): 3723377152

約数和(自身を除く): 1542432631

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3846463, 11539389, 26925241, 34618167, 80775723, 103854501, 242327169, 311563503, 726981507, 2180944521]

約数ペア:

[(1, 2180944521), (3, 726981507), (7, 311563503), (9, 242327169), (21, 103854501), (27, 80775723), (63, 34618167), (81, 26925241), (189, 11539389), (567, 3846463)]