28757703

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7159}}^1$

素因数の和:7278

約数の個数: 16

約数和(自身を含む): 41699840

約数和(自身を除く): 12942137

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 7159, 21477, 93067, 279201, 737377, 2212131, 9585901, 28757703]

約数ペア:

[(1, 28757703), (3, 9585901), (13, 2212131), (39, 737377), (103, 279201), (309, 93067), (1339, 21477), (4017, 7159)]