1279857591

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{200009}}^1$

素因数の和:200100

約数の個数: 20

約数和(自身を含む): 1936096800

約数和(自身を除く): 656239209

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 200009, 600027, 1800081, 5400243, 15800711, 16200729, 47402133, 142206399, 426619197, 1279857591]

約数ペア:

[(1, 1279857591), (3, 426619197), (9, 142206399), (27, 47402133), (79, 16200729), (81, 15800711), (237, 5400243), (711, 1800081), (2133, 600027), (6399, 200009)]