27806709

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69691}}^1$

素因数の和:69720

約数の個数: 16

約数和(自身を含む): 44602880

約数和(自身を除く): 16796171

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 69691, 209073, 487837, 1324129, 1463511, 3972387, 9268903, 27806709]

約数ペア:

[(1, 27806709), (3, 9268903), (7, 3972387), (19, 1463511), (21, 1324129), (57, 487837), (133, 209073), (399, 69691)]