27561989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{839}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 35844480

約数和(自身を除く): 8282491

約数列:

[1, 7, 13, 19, 91, 133, 247, 361, 839, 1729, 2527, 4693, 5873, 10907, 15941, 32851, 76349, 111587, 207233, 302879, 1450631, 2120153, 3937427, 27561989]

約数ペア:

[(1, 27561989), (7, 3937427), (13, 2120153), (19, 1450631), (91, 302879), (133, 207233), (247, 111587), (361, 76349), (839, 32851), (1729, 15941), (2527, 10907), (4693, 5873)]