2957157

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 4956224

約数和(自身を除く): 1999067

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 643, 657, 1533, 1929, 4501, 4599, 5787, 13503, 40509, 46939, 140817, 328573, 422451, 985719, 2957157]

約数ペア:

[(1, 2957157), (3, 985719), (7, 422451), (9, 328573), (21, 140817), (63, 46939), (73, 40509), (219, 13503), (511, 5787), (643, 4599), (657, 4501), (1533, 1929)]