20170557

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2791}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 32230848

約数和(自身を除く): 12060291

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 2791, 7227, 8373, 25119, 30701, 92103, 203743, 276309, 611229, 1833687, 2241173, 6723519, 20170557]

約数ペア:

[(1, 20170557), (3, 6723519), (9, 2241173), (11, 1833687), (33, 611229), (73, 276309), (99, 203743), (219, 92103), (657, 30701), (803, 25119), (2409, 8373), (2791, 7227)]