28787187

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67103}}^1$

素因数の和:67130

約数の個数: 16

約数和(自身を含む): 45093888

約数和(自身を除く): 16306701

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 67103, 201309, 738133, 872339, 2214399, 2617017, 9595729, 28787187]

約数ペア:

[(1, 28787187), (3, 9595729), (11, 2617017), (13, 2214399), (33, 872339), (39, 738133), (143, 201309), (429, 67103)]