2572647

素因数分解:

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

素因数の和:108

約数の個数: 48

約数和(自身を含む): 4574592

約数和(自身を除く): 2001945

約数列:

[1, 3, 7, 11, 21, 33, 37, 43, 49, 77, 111, 129, 147, 231, 259, 301, 407, 473, 539, 777, 903, 1221, 1419, 1591, 1617, 1813, 2107, 2849, 3311, 4773, 5439, 6321, 8547, 9933, 11137, 17501, 19943, 23177, 33411, 52503, 59829, 69531, 77959, 122507, 233877, 367521, 857549, 2572647]

約数ペア:

[(1, 2572647), (3, 857549), (7, 367521), (11, 233877), (21, 122507), (33, 77959), (37, 69531), (43, 59829), (49, 52503), (77, 33411), (111, 23177), (129, 19943), (147, 17501), (231, 11137), (259, 9933), (301, 8547), (407, 6321), (473, 5439), (539, 4773), (777, 3311), (903, 2849), (1221, 2107), (1419, 1813), (1591, 1617)]