8081721

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{6961}}^1$

素因数の和:7013

約数の個数: 16

約数和(自身を含む): 12253120

約数和(自身を除く): 4171399

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 6961, 20883, 62649, 187947, 299323, 897969, 2693907, 8081721]

約数ペア:

[(1, 8081721), (3, 2693907), (9, 897969), (27, 299323), (43, 187947), (129, 62649), (387, 20883), (1161, 6961)]