26908539

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1999}}^1$

素因数の和:2650

約数の個数: 16

約数和(自身を含む): 41088000

約数和(自身を除く): 14179461

約数列:

[1, 3, 7, 21, 641, 1923, 1999, 4487, 5997, 13461, 13993, 41979, 1281359, 3844077, 8969513, 26908539]

約数ペア:

[(1, 26908539), (3, 8969513), (7, 3844077), (21, 1281359), (641, 41979), (1923, 13993), (1999, 13461), (4487, 5997)]