1645029891

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{74941}}^1$

素因数の和:75224

約数の個数: 20

約数和(自身を含む): 2466491104

約数和(自身を除く): 821461213

約数列:

[1, 3, 9, 27, 81, 271, 813, 2439, 7317, 21951, 74941, 224823, 674469, 2023407, 6070221, 20309011, 60927033, 182781099, 548343297, 1645029891]

約数ペア:

[(1, 1645029891), (3, 548343297), (9, 182781099), (27, 60927033), (81, 20309011), (271, 6070221), (813, 2023407), (2439, 674469), (7317, 224823), (21951, 74941)]