128429343

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{7103}}^1$

素因数の和:7164

約数の個数: 36

約数和(自身を含む): 221090688

約数和(自身を除く): 92661345

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027, 7103, 18081, 21309, 49721, 63927, 149163, 291223, 348047, 447489, 873669, 1044141, 2038561, 2621007, 3132423, 6115683, 14269927, 18347049, 42809781, 128429343]

約数ペア:

[(1, 128429343), (3, 42809781), (7, 18347049), (9, 14269927), (21, 6115683), (41, 3132423), (49, 2621007), (63, 2038561), (123, 1044141), (147, 873669), (287, 447489), (369, 348047), (441, 291223), (861, 149163), (2009, 63927), (2583, 49721), (6027, 21309), (7103, 18081)]