128212521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{937}}^1\times {\mathrm{2683}}^1$

素因数の和:3640

約数の個数: 16

約数和(自身を含む): 181266624

約数和(自身を除く): 53054103

約数列:

[1, 3, 17, 51, 937, 2683, 2811, 8049, 15929, 45611, 47787, 136833, 2513971, 7541913, 42737507, 128212521]

約数ペア:

[(1, 128212521), (3, 42737507), (17, 7541913), (51, 2513971), (937, 136833), (2683, 47787), (2811, 45611), (8049, 15929)]