2566455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 4409856

約数和(自身を除く): 1843401

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 173, 215, 345, 519, 645, 865, 989, 2595, 2967, 3979, 4945, 7439, 11937, 14835, 19895, 22317, 37195, 59685, 111585, 171097, 513291, 855485, 2566455]

約数ペア:

[(1, 2566455), (3, 855485), (5, 513291), (15, 171097), (23, 111585), (43, 59685), (69, 37195), (115, 22317), (129, 19895), (173, 14835), (215, 11937), (345, 7439), (519, 4945), (645, 3979), (865, 2967), (989, 2595)]