3840669

素因数分解:

$3^3\times 7^2\times {\mathrm{2903}}^1$

素因数の和:2926

約数の個数: 24

約数和(自身を含む): 6621120

約数和(自身を除く): 2780451

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2903, 8709, 20321, 26127, 60963, 78381, 142247, 182889, 426741, 548667, 1280223, 3840669]

約数ペア:

[(1, 3840669), (3, 1280223), (7, 548667), (9, 426741), (21, 182889), (27, 142247), (49, 78381), (63, 60963), (147, 26127), (189, 20321), (441, 8709), (1323, 2903)]