27721001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2081}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 34777728

約数和(自身を除く): 7056727

約数列:

[1, 7, 11, 77, 173, 1211, 1903, 2081, 13321, 14567, 22891, 160237, 360013, 2520091, 3960143, 27721001]

約数ペア:

[(1, 27721001), (7, 3960143), (11, 2520091), (77, 360013), (173, 160237), (1211, 22891), (1903, 14567), (2081, 13321)]