2528919

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 4018560

約数和(自身を除く): 1489641

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 643, 1311, 1929, 3933, 5787, 12217, 14789, 36651, 44367, 109953, 133101, 280991, 842973, 2528919]

約数ペア:

[(1, 2528919), (3, 842973), (9, 280991), (19, 133101), (23, 109953), (57, 44367), (69, 36651), (171, 14789), (207, 12217), (437, 5787), (643, 3933), (1311, 1929)]