2991639

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3313}}^1$

素因数の和:3366

約数の個数: 16

約数和(自身を含む): 4666112

約数和(自身を除く): 1674473

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 3313, 9939, 23191, 69573, 142459, 427377, 997213, 2991639]

約数ペア:

[(1, 2991639), (3, 997213), (7, 427377), (21, 142459), (43, 69573), (129, 23191), (301, 9939), (903, 3313)]