28721055

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{174067}}^1$

素因数の和:174086

約数の個数: 16

約数和(自身を含む): 50131584

約数和(自身を除く): 21410529

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 174067, 522201, 870335, 1914737, 2611005, 5744211, 9573685, 28721055]

約数ペア:

[(1, 28721055), (3, 9573685), (5, 5744211), (11, 2611005), (15, 1914737), (33, 870335), (55, 522201), (165, 174067)]