28709967

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{66923}}^1$

素因数の和:66950

約数の個数: 16

約数和(自身を含む): 44972928

約数和(自身を除く): 16262961

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 66923, 200769, 736153, 869999, 2208459, 2609997, 9569989, 28709967]

約数ペア:

[(1, 28709967), (3, 9569989), (11, 2609997), (13, 2208459), (33, 869999), (39, 736153), (143, 200769), (429, 66923)]