199972071

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11171}}^1$

素因数の和:11213

約数の個数: 40

約数和(自身を含む): 340656624

約数和(自身を除く): 140684553

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1053, 1377, 1989, 5967, 11171, 17901, 33513, 100539, 145223, 189907, 301617, 435669, 569721, 904851, 1307007, 1709163, 2468791, 3921021, 5127489, 7406373, 11763063, 15382467, 22219119, 66657357, 199972071]

約数ペア:

[(1, 199972071), (3, 66657357), (9, 22219119), (13, 15382467), (17, 11763063), (27, 7406373), (39, 5127489), (51, 3921021), (81, 2468791), (117, 1709163), (153, 1307007), (221, 904851), (351, 569721), (459, 435669), (663, 301617), (1053, 189907), (1377, 145223), (1989, 100539), (5967, 33513), (11171, 17901)]