209291943

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{8689}}^1$

素因数の和:8767

約数の個数: 32

約数和(自身を含む): 338145280

約数和(自身を除く): 128853337

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 1147, 3441, 8029, 8689, 24087, 26067, 60823, 182469, 269359, 321493, 808077, 964479, 1885513, 2250451, 5656539, 6751353, 9966283, 29898849, 69763981, 209291943]

約数ペア:

[(1, 209291943), (3, 69763981), (7, 29898849), (21, 9966283), (31, 6751353), (37, 5656539), (93, 2250451), (111, 1885513), (217, 964479), (259, 808077), (651, 321493), (777, 269359), (1147, 182469), (3441, 60823), (8029, 26067), (8689, 24087)]