287718417

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{23663}}^1$

素因数の和:23869

約数の個数: 24

約数和(自身を含む): 477444864

約数和(自身を除く): 189726447

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 4053, 12159, 23663, 70989, 165641, 212967, 496923, 1490769, 4566959, 13700877, 31968713, 41102631, 95906139, 287718417]

約数ペア:

[(1, 287718417), (3, 95906139), (7, 41102631), (9, 31968713), (21, 13700877), (63, 4566959), (193, 1490769), (579, 496923), (1351, 212967), (1737, 165641), (4053, 70989), (12159, 23663)]