31830057

素因数分解:

$3^3\times 7^4\times {\mathrm{491}}^1$

素因数の和:528

約数の個数: 40

約数和(自身を含む): 55123680

約数和(自身を除く): 23293623

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 491, 1029, 1323, 1473, 2401, 3087, 3437, 4419, 7203, 9261, 10311, 13257, 21609, 24059, 30933, 64827, 72177, 92799, 168413, 216531, 505239, 649593, 1178891, 1515717, 3536673, 4547151, 10610019, 31830057]

約数ペア:

[(1, 31830057), (3, 10610019), (7, 4547151), (9, 3536673), (21, 1515717), (27, 1178891), (49, 649593), (63, 505239), (147, 216531), (189, 168413), (343, 92799), (441, 72177), (491, 64827), (1029, 30933), (1323, 24059), (1473, 21609), (2401, 13257), (3087, 10311), (3437, 9261), (4419, 7203)]