81267721

素因数分解:

${\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 85662720

約数和(自身を除く): 4394999

約数列:

[1, 43, 59, 103, 311, 2537, 4429, 6077, 13373, 18349, 32033, 261311, 789007, 1377419, 1889947, 81267721]

約数ペア:

[(1, 81267721), (43, 1889947), (59, 1377419), (103, 789007), (311, 261311), (2537, 32033), (4429, 18349), (6077, 13373)]