205610517

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{12601}}^1$

素因数の和:12658

約数の個数: 36

約数和(自身を含む): 354847116

約数和(自身を除く): 149236599

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 5439, 12601, 16317, 37803, 88207, 113409, 264621, 466237, 617449, 793863, 1398711, 1852347, 3263659, 4196133, 5557041, 9790977, 22845613, 29372931, 68536839, 205610517]

約数ペア:

[(1, 205610517), (3, 68536839), (7, 29372931), (9, 22845613), (21, 9790977), (37, 5557041), (49, 4196133), (63, 3263659), (111, 1852347), (147, 1398711), (259, 793863), (333, 617449), (441, 466237), (777, 264621), (1813, 113409), (2331, 88207), (5439, 37803), (12601, 16317)]