66640755

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103319}}^1$

素因数の和:103370

約数の個数: 16

約数和(自身を含む): 109105920

約数和(自身を除く): 42465165

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 103319, 309957, 516595, 1549785, 4442717, 13328151, 22213585, 66640755]

約数ペア:

[(1, 66640755), (3, 22213585), (5, 13328151), (15, 4442717), (43, 1549785), (129, 516595), (215, 309957), (645, 103319)]