220780911

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 322818048

約数和(自身を除く): 102037137

約数列:

[1, 3, 13, 39, 107, 191, 277, 321, 573, 831, 1391, 2483, 3601, 4173, 7449, 10803, 20437, 29639, 52907, 61311, 88917, 158721, 265681, 385307, 687791, 797043, 1155921, 2063373, 5661049, 16983147, 73593637, 220780911]

約数ペア:

[(1, 220780911), (3, 73593637), (13, 16983147), (39, 5661049), (107, 2063373), (191, 1155921), (277, 797043), (321, 687791), (573, 385307), (831, 265681), (1391, 158721), (2483, 88917), (3601, 61311), (4173, 52907), (7449, 29639), (10803, 20437)]