12191805

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15937}}^1$

素因数の和:15965

約数の個数: 24

約数和(自身を含む): 22376952

約数和(自身を除く): 10185147

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 15937, 47811, 79685, 143433, 239055, 270929, 717165, 812787, 1354645, 2438361, 4063935, 12191805]

約数ペア:

[(1, 12191805), (3, 4063935), (5, 2438361), (9, 1354645), (15, 812787), (17, 717165), (45, 270929), (51, 239055), (85, 143433), (153, 79685), (255, 47811), (765, 15937)]