2388321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 3767400

約数和(自身を除く): 1379079

約数列:

[1, 3, 9, 13, 39, 117, 137, 149, 411, 447, 1233, 1341, 1781, 1937, 5343, 5811, 16029, 17433, 20413, 61239, 183717, 265369, 796107, 2388321]

約数ペア:

[(1, 2388321), (3, 796107), (9, 265369), (13, 183717), (39, 61239), (117, 20413), (137, 17433), (149, 16029), (411, 5811), (447, 5343), (1233, 1937), (1341, 1781)]