28315161

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{883}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 46887360

約数和(自身を除く): 18572199

約数列:

[1, 3, 7, 9, 21, 63, 509, 883, 1527, 2649, 3563, 4581, 6181, 7947, 10689, 18543, 32067, 55629, 449447, 1348341, 3146129, 4045023, 9438387, 28315161]

約数ペア:

[(1, 28315161), (3, 9438387), (7, 4045023), (9, 3146129), (21, 1348341), (63, 449447), (509, 55629), (883, 32067), (1527, 18543), (2649, 10689), (3563, 7947), (4581, 6181)]