2340009

素因数分解:

$3^4\times 7^1\times {\mathrm{4127}}^1$

素因数の和:4146

約数の個数: 20

約数和(自身を含む): 3995904

約数和(自身を除く): 1655895

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4127, 12381, 28889, 37143, 86667, 111429, 260001, 334287, 780003, 2340009]

約数ペア:

[(1, 2340009), (3, 780003), (7, 334287), (9, 260001), (21, 111429), (27, 86667), (63, 37143), (81, 28889), (189, 12381), (567, 4127)]