128721827

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{16811}}^1$

素因数の和:16874

約数の個数: 16

約数和(自身を含む): 150635520

約数和(自身を除く): 21913693

約数列:

[1, 13, 19, 31, 247, 403, 589, 7657, 16811, 218543, 319409, 521141, 4152317, 6774833, 9901679, 128721827]

約数ペア:

[(1, 128721827), (13, 9901679), (19, 6774833), (31, 4152317), (247, 521141), (403, 319409), (589, 218543), (7657, 16811)]