8003979

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 12012000

約数和(自身を除く): 4008021

約数列:

[1, 3, 9, 41, 109, 123, 199, 327, 369, 597, 981, 1791, 4469, 8159, 13407, 21691, 24477, 40221, 65073, 73431, 195219, 889331, 2667993, 8003979]

約数ペア:

[(1, 8003979), (3, 2667993), (9, 889331), (41, 195219), (109, 73431), (123, 65073), (199, 40221), (327, 24477), (369, 21691), (597, 13407), (981, 8159), (1791, 4469)]