4048387

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 4960000

約数和(自身を除く): 911613

約数列:

[1, 7, 19, 61, 133, 427, 499, 1159, 3493, 8113, 9481, 30439, 66367, 213073, 578341, 4048387]

約数ペア:

[(1, 4048387), (7, 578341), (19, 213073), (61, 66367), (133, 30439), (427, 9481), (499, 8113), (1159, 3493)]