18007425

素因数分解:

$3^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 36

約数和(自身を含む): 32517264

約数和(自身を除く): 14509839

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 163, 225, 489, 491, 815, 1467, 1473, 2445, 2455, 4075, 4419, 7335, 7365, 12225, 12275, 22095, 36675, 36825, 80033, 110475, 240099, 400165, 720297, 1200495, 2000825, 3601485, 6002475, 18007425]

約数ペア:

[(1, 18007425), (3, 6002475), (5, 3601485), (9, 2000825), (15, 1200495), (25, 720297), (45, 400165), (75, 240099), (163, 110475), (225, 80033), (489, 36825), (491, 36675), (815, 22095), (1467, 12275), (1473, 12225), (2445, 7365), (2455, 7335), (4075, 4419)]