28396797

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1$

素因数の和:1853

約数の個数: 32

約数和(自身を含む): 45709440

約数和(自身を除く): 17312643

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 1789, 5291, 5367, 15873, 19679, 23257, 59037, 66193, 69771, 198579, 255827, 728123, 767481, 860509, 2184369, 2581527, 9465599, 28396797]

約数ペア:

[(1, 28396797), (3, 9465599), (11, 2581527), (13, 2184369), (33, 860509), (37, 767481), (39, 728123), (111, 255827), (143, 198579), (407, 69771), (429, 66193), (481, 59037), (1221, 23257), (1443, 19679), (1789, 15873), (5291, 5367)]