2788398963

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{297049}}^1$

素因数の和:297211

約数の個数: 24

約数和(自身を含む): 4633980000

約数和(自身を除く): 1845581037

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 297049, 891147, 2079343, 2673441, 6238029, 18714087, 44260301, 132780903, 309822107, 398342709, 929466321, 2788398963]

約数ペア:

[(1, 2788398963), (3, 929466321), (7, 398342709), (9, 309822107), (21, 132780903), (63, 44260301), (149, 18714087), (447, 6238029), (1043, 2673441), (1341, 2079343), (3129, 891147), (9387, 297049)]