2165751

素因数分解:

$3^3\times 7^2\times {\mathrm{1637}}^1$

素因数の和:1660

約数の個数: 24

約数和(自身を含む): 3734640

約数和(自身を除く): 1568889

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1637, 4911, 11459, 14733, 34377, 44199, 80213, 103131, 240639, 309393, 721917, 2165751]

約数ペア:

[(1, 2165751), (3, 721917), (7, 309393), (9, 240639), (21, 103131), (27, 80213), (49, 44199), (63, 34377), (147, 14733), (189, 11459), (441, 4911), (1323, 1637)]