8039259

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 12310272

約数和(自身を除く): 4271013

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 547, 639, 1633, 1641, 4899, 4923, 12581, 14697, 37743, 38837, 113229, 116511, 349533, 893251, 2679753, 8039259]

約数ペア:

[(1, 8039259), (3, 2679753), (9, 893251), (23, 349533), (69, 116511), (71, 113229), (207, 38837), (213, 37743), (547, 14697), (639, 12581), (1633, 4923), (1641, 4899)]