1801359

素因数分解:

$3^6\times 7^1\times {\mathrm{353}}^1$

素因数の和:378

約数の個数: 28

約数和(自身を含む): 3095376

約数和(自身を除く): 1294017

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 353, 567, 729, 1059, 1701, 2471, 3177, 5103, 7413, 9531, 22239, 28593, 66717, 85779, 200151, 257337, 600453, 1801359]

約数ペア:

[(1, 1801359), (3, 600453), (7, 257337), (9, 200151), (21, 85779), (27, 66717), (63, 28593), (81, 22239), (189, 9531), (243, 7413), (353, 5103), (567, 3177), (729, 2471), (1059, 1701)]