291288837

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{1621}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 456755200

約数和(自身を除く): 165466363

約数列:

[1, 3, 7, 21, 43, 129, 199, 301, 597, 903, 1393, 1621, 4179, 4863, 8557, 11347, 25671, 34041, 59899, 69703, 179697, 209109, 322579, 487921, 967737, 1463763, 2258053, 6774159, 13870897, 41612691, 97096279, 291288837]

約数ペア:

[(1, 291288837), (3, 97096279), (7, 41612691), (21, 13870897), (43, 6774159), (129, 2258053), (199, 1463763), (301, 967737), (597, 487921), (903, 322579), (1393, 209109), (1621, 179697), (4179, 69703), (4863, 59899), (8557, 34041), (11347, 25671)]