6520815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 13099008

約数和(自身を除く): 6578193

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 127, 163, 315, 381, 489, 635, 815, 889, 1141, 1143, 1467, 1905, 2445, 2667, 3423, 4445, 5705, 5715, 7335, 8001, 10269, 13335, 17115, 20701, 40005, 51345, 62103, 103505, 144907, 186309, 310515, 434721, 724535, 931545, 1304163, 2173605, 6520815]

約数ペア:

[(1, 6520815), (3, 2173605), (5, 1304163), (7, 931545), (9, 724535), (15, 434721), (21, 310515), (35, 186309), (45, 144907), (63, 103505), (105, 62103), (127, 51345), (163, 40005), (315, 20701), (381, 17115), (489, 13335), (635, 10269), (815, 8001), (889, 7335), (1141, 5715), (1143, 5705), (1467, 4445), (1905, 3423), (2445, 2667)]