27891207

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{19739}}^1$

素因数の和:19902

約数の個数: 12

約数和(自身を含む): 40545960

約数和(自身を除く): 12654753

約数列:

[1, 3, 9, 157, 471, 1413, 19739, 59217, 177651, 3099023, 9297069, 27891207]

約数ペア:

[(1, 27891207), (3, 9297069), (9, 3099023), (157, 177651), (471, 59217), (1413, 19739)]