28149795

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1913}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 50529600

約数和(自身を除く): 22379805

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1635, 1913, 2943, 4905, 5739, 9565, 14715, 17217, 28695, 51651, 86085, 208517, 258255, 625551, 1042585, 1876653, 3127755, 5629959, 9383265, 28149795]

約数ペア:

[(1, 28149795), (3, 9383265), (5, 5629959), (9, 3127755), (15, 1876653), (27, 1042585), (45, 625551), (109, 258255), (135, 208517), (327, 86085), (545, 51651), (981, 28695), (1635, 17217), (1913, 14715), (2943, 9565), (4905, 5739)]