68601663

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 117160992

約数和(自身を除く): 48559329

約数列:

[1, 3, 9, 13, 23, 37, 39, 53, 69, 111, 117, 159, 169, 207, 299, 333, 477, 481, 507, 689, 851, 897, 1219, 1443, 1521, 1961, 2067, 2553, 2691, 3657, 3887, 4329, 5883, 6201, 6253, 7659, 8957, 10971, 11063, 11661, 15847, 17649, 18759, 25493, 26871, 33189, 34983, 45103, 47541, 56277, 76479, 80613, 99567, 135309, 142623, 143819, 206011, 229437, 331409, 405927, 431457, 586339, 618033, 994227, 1294371, 1759017, 1854099, 2982681, 5277051, 7622407, 22867221, 68601663]

約数ペア:

[(1, 68601663), (3, 22867221), (9, 7622407), (13, 5277051), (23, 2982681), (37, 1854099), (39, 1759017), (53, 1294371), (69, 994227), (111, 618033), (117, 586339), (159, 431457), (169, 405927), (207, 331409), (299, 229437), (333, 206011), (477, 143819), (481, 142623), (507, 135309), (689, 99567), (851, 80613), (897, 76479), (1219, 56277), (1443, 47541), (1521, 45103), (1961, 34983), (2067, 33189), (2553, 26871), (2691, 25493), (3657, 18759), (3887, 17649), (4329, 15847), (5883, 11661), (6201, 11063), (6253, 10971), (7659, 8957)]