131307

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:210

約数の個数: 16

約数和(自身を含む): 200448

約数和(自身を除く): 69141

約数列:

[1, 3, 11, 23, 33, 69, 173, 253, 519, 759, 1903, 3979, 5709, 11937, 43769, 131307]

約数ペア:

[(1, 131307), (3, 43769), (11, 11937), (23, 5709), (33, 3979), (69, 1903), (173, 759), (253, 519)]