28777551

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{7207}}^1$

素因数の和:7243

約数の個数: 16

約数和(自身を含む): 42210048

約数和(自身を除く): 13432497

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 7207, 21621, 79277, 237831, 872047, 2616141, 9592517, 28777551]

約数ペア:

[(1, 28777551), (3, 9592517), (11, 2616141), (33, 872047), (121, 237831), (363, 79277), (1331, 21621), (3993, 7207)]