1243350891

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{356977}}^1$

素因数の和:357032

約数の個数: 20

約数和(自身を含む): 1900550872

約数和(自身を除く): 657199981

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 356977, 1070931, 3212793, 9638379, 15350011, 28915137, 46050033, 138150099, 414450297, 1243350891]

約数ペア:

[(1, 1243350891), (3, 414450297), (9, 138150099), (27, 46050033), (43, 28915137), (81, 15350011), (129, 9638379), (387, 3212793), (1161, 1070931), (3483, 356977)]