31171569

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72661}}^1$

素因数の和:72688

約数の個数: 16

約数和(自身を含む): 48828864

約数和(自身を除く): 17657295

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 72661, 217983, 799271, 944593, 2397813, 2833779, 10390523, 31171569]

約数ペア:

[(1, 31171569), (3, 10390523), (11, 2833779), (13, 2397813), (33, 944593), (39, 799271), (143, 217983), (429, 72661)]