81222057

素因数分解:

$3^2\times 7^3\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 138902400

約数和(自身を除く): 57680343

約数列:

[1, 3, 7, 9, 21, 49, 63, 83, 147, 249, 317, 343, 441, 581, 747, 951, 1029, 1743, 2219, 2853, 3087, 4067, 5229, 6657, 12201, 15533, 19971, 26311, 28469, 36603, 46599, 78933, 85407, 108731, 139797, 184177, 236799, 256221, 326193, 552531, 978579, 1289239, 1657593, 3867717, 9024673, 11603151, 27074019, 81222057]

約数ペア:

[(1, 81222057), (3, 27074019), (7, 11603151), (9, 9024673), (21, 3867717), (49, 1657593), (63, 1289239), (83, 978579), (147, 552531), (249, 326193), (317, 256221), (343, 236799), (441, 184177), (581, 139797), (747, 108731), (951, 85407), (1029, 78933), (1743, 46599), (2219, 36603), (2853, 28469), (3087, 26311), (4067, 19971), (5229, 15533), (6657, 12201)]