28607859

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5471}}^1$

素因数の和:5567

約数の個数: 24

約数和(自身を含む): 47803392

約数和(自身を除く): 19195533

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 5471, 16413, 38297, 49239, 114891, 344673, 454093, 1362279, 3178651, 4086837, 9535953, 28607859]

約数ペア:

[(1, 28607859), (3, 9535953), (7, 4086837), (9, 3178651), (21, 1362279), (63, 454093), (83, 344673), (249, 114891), (581, 49239), (747, 38297), (1743, 16413), (5229, 5471)]