28278897

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2741}}^1$

素因数の和:2944

約数の個数: 16

約数和(自身を含む): 39923520

約数和(自身を除く): 11644623

約数列:

[1, 3, 19, 57, 181, 543, 2741, 3439, 8223, 10317, 52079, 156237, 496121, 1488363, 9426299, 28278897]

約数ペア:

[(1, 28278897), (3, 9426299), (19, 1488363), (57, 496121), (181, 156237), (543, 52079), (2741, 10317), (3439, 8223)]