255996909

素因数分解:

$3^3\times 7^1\times {\mathrm{1354481}}^1$

素因数の和:1354497

約数の個数: 16

約数和(自身を含む): 433434240

約数和(自身を除く): 177437331

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1354481, 4063443, 9481367, 12190329, 28444101, 36570987, 85332303, 255996909]

約数ペア:

[(1, 255996909), (3, 85332303), (7, 36570987), (9, 28444101), (21, 12190329), (27, 9481367), (63, 4063443), (189, 1354481)]