27889547

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{557}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 33426432

約数和(自身を除く): 5536885

約数列:

[1, 7, 23, 161, 311, 557, 2177, 3899, 7153, 12811, 50071, 89677, 173227, 1212589, 3984221, 27889547]

約数ペア:

[(1, 27889547), (7, 3984221), (23, 1212589), (161, 173227), (311, 89677), (557, 50071), (2177, 12811), (3899, 7153)]