28121085

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2593}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 48964344

約数和(自身を除く): 20843259

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 2169, 2593, 3615, 7779, 10845, 12965, 23337, 38895, 116685, 624913, 1874739, 3124565, 5624217, 9373695, 28121085]

約数ペア:

[(1, 28121085), (3, 9373695), (5, 5624217), (9, 3124565), (15, 1874739), (45, 624913), (241, 116685), (723, 38895), (1205, 23337), (2169, 12965), (2593, 10845), (3615, 7779)]