128507355

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{150301}}^1$

素因数の和:150331

約数の個数: 24

約数和(自身を含む): 234471120

約数和(自身を除く): 105963765

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 150301, 450903, 751505, 1352709, 2254515, 2855719, 6763545, 8567157, 14278595, 25701471, 42835785, 128507355]

約数ペア:

[(1, 128507355), (3, 42835785), (5, 25701471), (9, 14278595), (15, 8567157), (19, 6763545), (45, 2855719), (57, 2254515), (95, 1352709), (171, 751505), (285, 450903), (855, 150301)]