2645307

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 4409600

約数和(自身を除く): 1764293

約数列:

[1, 3, 7, 9, 21, 63, 199, 211, 597, 633, 1393, 1477, 1791, 1899, 4179, 4431, 12537, 13293, 41989, 125967, 293923, 377901, 881769, 2645307]

約数ペア:

[(1, 2645307), (3, 881769), (7, 377901), (9, 293923), (21, 125967), (63, 41989), (199, 13293), (211, 12537), (597, 4431), (633, 4179), (1393, 1899), (1477, 1791)]