25909551

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{4049}}^1$

素因数の和:4140

約数の個数: 20

約数和(自身を含む): 39204000

約数和(自身を除く): 13294449

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 4049, 6399, 12147, 36441, 109323, 319871, 327969, 959613, 2878839, 8636517, 25909551]

約数ペア:

[(1, 25909551), (3, 8636517), (9, 2878839), (27, 959613), (79, 327969), (81, 319871), (237, 109323), (711, 36441), (2133, 12147), (4049, 6399)]