4139991

素因数分解:

$3^8\times {\mathrm{631}}^1$

素因数の和:655

約数の個数: 18

約数和(自身を含む): 6219512

約数和(自身を除く): 2079521

約数列:

[1, 3, 9, 27, 81, 243, 631, 729, 1893, 2187, 5679, 6561, 17037, 51111, 153333, 459999, 1379997, 4139991]

約数ペア:

[(1, 4139991), (3, 1379997), (9, 459999), (27, 153333), (81, 51111), (243, 17037), (631, 6561), (729, 5679), (1893, 2187)]