2081457

素因数分解:

$3^4\times 7^1\times {\mathrm{3671}}^1$

素因数の和:3690

約数の個数: 20

約数和(自身を含む): 3554496

約数和(自身を除く): 1473039

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3671, 11013, 25697, 33039, 77091, 99117, 231273, 297351, 693819, 2081457]

約数ペア:

[(1, 2081457), (3, 693819), (7, 297351), (9, 231273), (21, 99117), (27, 77091), (63, 33039), (81, 25697), (189, 11013), (567, 3671)]