208336005

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{28403}}^1$

素因数の和:28577

約数の個数: 24

約数和(自身を含む): 363343968

約数和(自身を除く): 155007963

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 7335, 28403, 85209, 142015, 255627, 426045, 1278135, 4629689, 13889067, 23148445, 41667201, 69445335, 208336005]

約数ペア:

[(1, 208336005), (3, 69445335), (5, 41667201), (9, 23148445), (15, 13889067), (45, 4629689), (163, 1278135), (489, 426045), (815, 255627), (1467, 142015), (2445, 85209), (7335, 28403)]