12780963

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{2801}}^1$

素因数の和:2836

約数の個数: 24

約数和(自身を含む): 20510640

約数和(自身を除く): 7729677

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 2801, 4563, 8403, 25209, 36413, 75627, 109239, 327717, 473369, 983151, 1420107, 4260321, 12780963]

約数ペア:

[(1, 12780963), (3, 4260321), (9, 1420107), (13, 983151), (27, 473369), (39, 327717), (117, 109239), (169, 75627), (351, 36413), (507, 25209), (1521, 8403), (2801, 4563)]