138037311

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{7951}}^1$

素因数の和:8603

約数の個数: 16

約数和(自身を含む): 204843520

約数和(自身を除く): 66806209

約数列:

[1, 3, 9, 27, 643, 1929, 5787, 7951, 17361, 23853, 71559, 214677, 5112493, 15337479, 46012437, 138037311]

約数ペア:

[(1, 138037311), (3, 46012437), (9, 15337479), (27, 5112493), (643, 214677), (1929, 71559), (5787, 23853), (7951, 17361)]