28381755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111301}}^1$

素因数の和:111326

約数の個数: 16

約数和(自身を含む): 48082464

約数和(自身を除く): 19700709

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 111301, 333903, 556505, 1669515, 1892117, 5676351, 9460585, 28381755]

約数ペア:

[(1, 28381755), (3, 9460585), (5, 5676351), (15, 1892117), (17, 1669515), (51, 556505), (85, 333903), (255, 111301)]