13901901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 21383040

約数和(自身を除く): 7481139

約数列:

[1, 3, 13, 19, 39, 57, 73, 219, 247, 257, 741, 771, 949, 1387, 2847, 3341, 4161, 4883, 10023, 14649, 18031, 18761, 54093, 56283, 63479, 190437, 243893, 356459, 731679, 1069377, 4633967, 13901901]

約数ペア:

[(1, 13901901), (3, 4633967), (13, 1069377), (19, 731679), (39, 356459), (57, 243893), (73, 190437), (219, 63479), (247, 56283), (257, 54093), (741, 18761), (771, 18031), (949, 14649), (1387, 10023), (2847, 4883), (3341, 4161)]