28920837

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6397}}^1$

素因数の和:6548

約数の個数: 16

約数和(自身を含む): 42380352

約数和(自身を除く): 13459515

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4521, 6397, 19191, 70367, 211101, 876389, 2629167, 9640279, 28920837]

約数ペア:

[(1, 28920837), (3, 9640279), (11, 2629167), (33, 876389), (137, 211101), (411, 70367), (1507, 19191), (4521, 6397)]