3925989

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2582

約数の個数: 20

約数和(自身を含む): 6175840

約数和(自身を除く): 2249851

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 2551, 7653, 22959, 48469, 68877, 145407, 206631, 436221, 1308663, 3925989]

約数ペア:

[(1, 3925989), (3, 1308663), (9, 436221), (19, 206631), (27, 145407), (57, 68877), (81, 48469), (171, 22959), (513, 7653), (1539, 2551)]