217786161

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{677}}^1\times {\mathrm{683}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 293091264

約数和(自身を除く): 75305103

約数列:

[1, 3, 157, 471, 677, 683, 2031, 2049, 106289, 107231, 318867, 321693, 462391, 1387173, 72595387, 217786161]

約数ペア:

[(1, 217786161), (3, 72595387), (157, 1387173), (471, 462391), (677, 321693), (683, 318867), (2031, 107231), (2049, 106289)]