1261867977

素因数分解:

$3^4\times {\mathrm{3253}}^1\times {\mathrm{4789}}^1$

素因数の和:8054

約数の個数: 20

約数和(自身を含む): 1885985860

約数和(自身を除く): 624117883

約数列:

[1, 3, 9, 27, 81, 3253, 4789, 9759, 14367, 29277, 43101, 87831, 129303, 263493, 387909, 15578617, 46735851, 140207553, 420622659, 1261867977]

約数ペア:

[(1, 1261867977), (3, 420622659), (9, 140207553), (27, 46735851), (81, 15578617), (3253, 387909), (4789, 263493), (9759, 129303), (14367, 87831), (29277, 43101)]