28480023

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22129}}^1$

素因数の和:22159

約数の個数: 24

約数和(自身を含む): 48331920

約数和(自身を除く): 19851897

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 22129, 66387, 199161, 243419, 287677, 730257, 863031, 2190771, 2589093, 3164447, 9493341, 28480023]

約数ペア:

[(1, 28480023), (3, 9493341), (9, 3164447), (11, 2589093), (13, 2190771), (33, 863031), (39, 730257), (99, 287677), (117, 243419), (143, 199161), (429, 66387), (1287, 22129)]