128256855

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{6301}}^1$

素因数の和:6391

約数の個数: 32

約数和(自身を含む): 217797120

約数和(自身を除く): 89540265

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1357, 4071, 6301, 6785, 18903, 20355, 31505, 94515, 144923, 371759, 434769, 724615, 1115277, 1858795, 2173845, 5576385, 8550457, 25651371, 42752285, 128256855]

約数ペア:

[(1, 128256855), (3, 42752285), (5, 25651371), (15, 8550457), (23, 5576385), (59, 2173845), (69, 1858795), (115, 1115277), (177, 724615), (295, 434769), (345, 371759), (885, 144923), (1357, 94515), (4071, 31505), (6301, 20355), (6785, 18903)]