19782279

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 32736000

約数和(自身を除く): 12953721

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 1549, 4257, 4647, 12771, 13941, 17039, 41823, 51117, 66607, 153351, 199821, 460053, 599463, 732677, 1798389, 2198031, 6594093, 19782279]

約数ペア:

[(1, 19782279), (3, 6594093), (9, 2198031), (11, 1798389), (27, 732677), (33, 599463), (43, 460053), (99, 199821), (129, 153351), (297, 66607), (387, 51117), (473, 41823), (1161, 17039), (1419, 13941), (1549, 12771), (4257, 4647)]