261738297

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{40903}}^1$

素因数の和:40994

約数の個数: 20

約数和(自身を含む): 395950720

約数和(自身を除く): 134212423

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 40903, 122709, 368127, 1104381, 3231337, 3313143, 9694011, 29082033, 87246099, 261738297]

約数ペア:

[(1, 261738297), (3, 87246099), (9, 29082033), (27, 9694011), (79, 3313143), (81, 3231337), (237, 1104381), (711, 368127), (2133, 122709), (6399, 40903)]