7717941

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 14867424

約数和(自身を除く): 7149483

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 43, 49, 63, 77, 99, 111, 129, 147, 231, 259, 301, 333, 387, 407, 441, 473, 539, 693, 777, 903, 1221, 1419, 1591, 1617, 1813, 2107, 2331, 2709, 2849, 3311, 3663, 4257, 4773, 4851, 5439, 6321, 8547, 9933, 11137, 14319, 16317, 17501, 18963, 19943, 23177, 25641, 29799, 33411, 52503, 59829, 69531, 77959, 100233, 122507, 157509, 179487, 208593, 233877, 367521, 701631, 857549, 1102563, 2572647, 7717941]

約数ペア:

[(1, 7717941), (3, 2572647), (7, 1102563), (9, 857549), (11, 701631), (21, 367521), (33, 233877), (37, 208593), (43, 179487), (49, 157509), (63, 122507), (77, 100233), (99, 77959), (111, 69531), (129, 59829), (147, 52503), (231, 33411), (259, 29799), (301, 25641), (333, 23177), (387, 19943), (407, 18963), (441, 17501), (473, 16317), (539, 14319), (693, 11137), (777, 9933), (903, 8547), (1221, 6321), (1419, 5439), (1591, 4851), (1617, 4773), (1813, 4257), (2107, 3663), (2331, 3311), (2709, 2849)]