240480639

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{88771}}^1$

素因数の和:88827

約数の個数: 24

約数和(自身を含む): 406220672

約数和(自身を除く): 165740033

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 88771, 266313, 621397, 798939, 1864191, 3817153, 5592573, 11451459, 26720071, 34354377, 80160213, 240480639]

約数ペア:

[(1, 240480639), (3, 80160213), (7, 34354377), (9, 26720071), (21, 11451459), (43, 5592573), (63, 3817153), (129, 1864191), (301, 798939), (387, 621397), (903, 266313), (2709, 88771)]