28878093

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 44469120

約数和(自身を除く): 15591027

約数列:

[1, 3, 9, 27, 37, 111, 137, 211, 333, 411, 633, 999, 1233, 1899, 3699, 5069, 5697, 7807, 15207, 23421, 28907, 45621, 70263, 86721, 136863, 210789, 260163, 780489, 1069559, 3208677, 9626031, 28878093]

約数ペア:

[(1, 28878093), (3, 9626031), (9, 3208677), (27, 1069559), (37, 780489), (111, 260163), (137, 210789), (211, 136863), (333, 86721), (411, 70263), (633, 45621), (999, 28907), (1233, 23421), (1899, 15207), (3699, 7807), (5069, 5697)]