197976429

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 338038272

約数和(自身を除く): 140061843

約数列:

[1, 3, 7, 9, 21, 43, 63, 107, 129, 301, 321, 387, 683, 749, 903, 963, 2049, 2247, 2709, 4601, 4781, 6147, 6741, 13803, 14343, 29369, 32207, 41409, 43029, 73081, 88107, 96621, 205583, 219243, 264321, 289863, 511567, 616749, 657729, 1534701, 1850247, 3142483, 4604103, 9427449, 21997381, 28282347, 65992143, 197976429]

約数ペア:

[(1, 197976429), (3, 65992143), (7, 28282347), (9, 21997381), (21, 9427449), (43, 4604103), (63, 3142483), (107, 1850247), (129, 1534701), (301, 657729), (321, 616749), (387, 511567), (683, 289863), (749, 264321), (903, 219243), (963, 205583), (2049, 96621), (2247, 88107), (2709, 73081), (4601, 43029), (4781, 41409), (6147, 32207), (6741, 29369), (13803, 14343)]