28175043

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 15370557

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 247, 611, 741, 809, 893, 1833, 2427, 2679, 10517, 11609, 15371, 31551, 34827, 38023, 46113, 114069, 199823, 494299, 599469, 722437, 1482897, 2167311, 9391681, 28175043]

約数ペア:

[(1, 28175043), (3, 9391681), (13, 2167311), (19, 1482897), (39, 722437), (47, 599469), (57, 494299), (141, 199823), (247, 114069), (611, 46113), (741, 38023), (809, 34827), (893, 31551), (1833, 15371), (2427, 11609), (2679, 10517)]