42121209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{25117}}^1$

素因数の和:25176

約数の個数: 16

約数和(自身を含む): 61890752

約数和(自身を除く): 19769543

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 25117, 75351, 326521, 979563, 1080031, 3240093, 14040403, 42121209]

約数ペア:

[(1, 42121209), (3, 14040403), (13, 3240093), (39, 1080031), (43, 979563), (129, 326521), (559, 75351), (1677, 25117)]