247847721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{26539}}^1$

素因数の和:26836

約数の個数: 16

約数和(自身を含む): 361793280

約数和(自身を除く): 113945559

約数列:

[1, 3, 11, 33, 283, 849, 3113, 9339, 26539, 79617, 291929, 875787, 7510537, 22531611, 82615907, 247847721]

約数ペア:

[(1, 247847721), (3, 82615907), (11, 22531611), (33, 7510537), (283, 875787), (849, 291929), (3113, 79617), (9339, 26539)]