2921751

素因数分解:

$3^4\times 7^1\times {\mathrm{5153}}^1$

素因数の和:5172

約数の個数: 20

約数和(自身を含む): 4989072

約数和(自身を除く): 2067321

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 5153, 15459, 36071, 46377, 108213, 139131, 324639, 417393, 973917, 2921751]

約数ペア:

[(1, 2921751), (3, 973917), (7, 417393), (9, 324639), (21, 139131), (27, 108213), (63, 46377), (81, 36071), (189, 15459), (567, 5153)]