123385221

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{240517}}^1$

素因数の和:240545

約数の個数: 16

約数和(自身を含む): 192414400

約数和(自身を除く): 69029179

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 240517, 721551, 2164653, 4569823, 6493959, 13709469, 41128407, 123385221]

約数ペア:

[(1, 123385221), (3, 41128407), (9, 13709469), (19, 6493959), (27, 4569823), (57, 2164653), (171, 721551), (513, 240517)]