1347840891

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{386977}}^1$

素因数の和:387032

約数の個数: 20

約数和(自身を含む): 2060270872

約数和(自身を除く): 712429981

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 386977, 1160931, 3482793, 10448379, 16640011, 31345137, 49920033, 149760099, 449280297, 1347840891]

約数ペア:

[(1, 1347840891), (3, 449280297), (9, 149760099), (27, 49920033), (43, 31345137), (81, 16640011), (129, 10448379), (387, 3482793), (1161, 1160931), (3483, 386977)]