80333001

素因数分解:

$3^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 138153600

約数和(自身を除く): 57820599

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 343, 371, 441, 477, 491, 1029, 1113, 1473, 2597, 3087, 3339, 3437, 4419, 7791, 10311, 18179, 23373, 24059, 26023, 30933, 54537, 72177, 78069, 163611, 168413, 182161, 216531, 234207, 505239, 546483, 1275127, 1515717, 1639449, 3825381, 8925889, 11476143, 26777667, 80333001]

約数ペア:

[(1, 80333001), (3, 26777667), (7, 11476143), (9, 8925889), (21, 3825381), (49, 1639449), (53, 1515717), (63, 1275127), (147, 546483), (159, 505239), (343, 234207), (371, 216531), (441, 182161), (477, 168413), (491, 163611), (1029, 78069), (1113, 72177), (1473, 54537), (2597, 30933), (3087, 26023), (3339, 24059), (3437, 23373), (4419, 18179), (7791, 10311)]