17980623

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1597}}^1$

素因数の和:1748

約数の個数: 20

約数和(自身を含む): 27070120

約数和(自身を除く): 9089497

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1597, 3753, 4791, 11259, 14373, 43119, 129357, 221983, 665949, 1997847, 5993541, 17980623]

約数ペア:

[(1, 17980623), (3, 5993541), (9, 1997847), (27, 665949), (81, 221983), (139, 129357), (417, 43119), (1251, 14373), (1597, 11259), (3753, 4791)]