26991561

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 36590400

約数和(自身を除く): 9598839

約数列:

[1, 3, 109, 197, 327, 419, 591, 1257, 21473, 45671, 64419, 82543, 137013, 247629, 8997187, 26991561]

約数ペア:

[(1, 26991561), (3, 8997187), (109, 247629), (197, 137013), (327, 82543), (419, 64419), (591, 45671), (1257, 21473)]