28831905

素因数分解:

$3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2087}}^1$

素因数の和:2405

約数の個数: 24

約数和(自身を含む): 50162112

約数和(自身を除く): 21330207

約数列:

[1, 3, 5, 9, 15, 45, 307, 921, 1535, 2087, 2763, 4605, 6261, 10435, 13815, 18783, 31305, 93915, 640709, 1922127, 3203545, 5766381, 9610635, 28831905]

約数ペア:

[(1, 28831905), (3, 9610635), (5, 5766381), (9, 3203545), (15, 1922127), (45, 640709), (307, 93915), (921, 31305), (1535, 18783), (2087, 13815), (2763, 10435), (4605, 6261)]