28340565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{171761}}^1$

素因数の和:171780

約数の個数: 16

約数和(自身を含む): 49467456

約数和(自身を除く): 21126891

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 171761, 515283, 858805, 1889371, 2576415, 5668113, 9446855, 28340565]

約数ペア:

[(1, 28340565), (3, 9446855), (5, 5668113), (11, 2576415), (15, 1889371), (33, 858805), (55, 515283), (165, 171761)]