28185255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89477}}^1$

素因数の和:89495

約数の個数: 24

約数和(自身を含む): 55834272

約数和(自身を除く): 27649017

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 89477, 268431, 447385, 626339, 805293, 1342155, 1879017, 3131695, 4026465, 5637051, 9395085, 28185255]

約数ペア:

[(1, 28185255), (3, 9395085), (5, 5637051), (7, 4026465), (9, 3131695), (15, 1879017), (21, 1342155), (35, 805293), (45, 626339), (63, 447385), (105, 268431), (315, 89477)]