209758563

素因数分解:

$3^2\times 7^4\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:622

約数の個数: 60

約数和(自身を含む): 374908248

約数和(自身を除く): 165149685

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 343, 357, 441, 571, 833, 1029, 1071, 1713, 2401, 2499, 3087, 3997, 5139, 5831, 7203, 7497, 9707, 11991, 17493, 21609, 27979, 29121, 35973, 40817, 52479, 67949, 83937, 87363, 122451, 195853, 203847, 251811, 367353, 475643, 587559, 611541, 1370971, 1426929, 1762677, 3329501, 4112913, 4280787, 9988503, 12338739, 23306507, 29965509, 69919521, 209758563]

約数ペア:

[(1, 209758563), (3, 69919521), (7, 29965509), (9, 23306507), (17, 12338739), (21, 9988503), (49, 4280787), (51, 4112913), (63, 3329501), (119, 1762677), (147, 1426929), (153, 1370971), (343, 611541), (357, 587559), (441, 475643), (571, 367353), (833, 251811), (1029, 203847), (1071, 195853), (1713, 122451), (2401, 87363), (2499, 83937), (3087, 67949), (3997, 52479), (5139, 40817), (5831, 35973), (7203, 29121), (7497, 27979), (9707, 21609), (11991, 17493)]