28069569

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 46475520

約数和(自身を除く): 18405951

約数列:

[1, 3, 9, 11, 33, 37, 79, 97, 99, 111, 237, 291, 333, 407, 711, 869, 873, 1067, 1221, 2607, 2923, 3201, 3589, 3663, 7663, 7821, 8769, 9603, 10767, 22989, 26307, 32153, 32301, 39479, 68967, 84293, 96459, 118437, 252879, 283531, 289377, 355311, 758637, 850593, 2551779, 3118841, 9356523, 28069569]

約数ペア:

[(1, 28069569), (3, 9356523), (9, 3118841), (11, 2551779), (33, 850593), (37, 758637), (79, 355311), (97, 289377), (99, 283531), (111, 252879), (237, 118437), (291, 96459), (333, 84293), (407, 68967), (711, 39479), (869, 32301), (873, 32153), (1067, 26307), (1221, 22989), (2607, 10767), (2923, 9603), (3201, 8769), (3589, 7821), (3663, 7663)]