7121257

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2664

約数の個数: 16

約数和(自身を含む): 8809920

約数和(自身を除く): 1688663

約数列:

[1, 11, 13, 19, 143, 209, 247, 2621, 2717, 28831, 34073, 49799, 374803, 547789, 647387, 7121257]

約数ペア:

[(1, 7121257), (11, 647387), (13, 547789), (19, 374803), (143, 49799), (209, 34073), (247, 28831), (2621, 2717)]