209038977

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 353866240

約数和(自身を除く): 144827263

約数列:

[1, 3, 7, 9, 21, 63, 79, 97, 237, 291, 433, 553, 679, 711, 873, 1299, 1659, 2037, 3031, 3897, 4977, 6111, 7663, 9093, 22989, 27279, 34207, 42001, 53641, 68967, 102621, 126003, 160923, 239449, 294007, 307863, 378009, 482769, 718347, 882021, 2155041, 2646063, 3318079, 9954237, 23226553, 29862711, 69679659, 209038977]

約数ペア:

[(1, 209038977), (3, 69679659), (7, 29862711), (9, 23226553), (21, 9954237), (63, 3318079), (79, 2646063), (97, 2155041), (237, 882021), (291, 718347), (433, 482769), (553, 378009), (679, 307863), (711, 294007), (873, 239449), (1299, 160923), (1659, 126003), (2037, 102621), (3031, 68967), (3897, 53641), (4977, 42001), (6111, 34207), (7663, 27279), (9093, 22989)]