205402545

素因数分解:

$3^2\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{2437}}^1$

素因数の和:4321

約数の個数: 24

約数和(自身を含む): 356367336

約数和(自身を除く): 150964791

約数列:

[1, 3, 5, 9, 15, 45, 1873, 2437, 5619, 7311, 9365, 12185, 16857, 21933, 28095, 36555, 84285, 109665, 4564501, 13693503, 22822505, 41080509, 68467515, 205402545]

約数ペア:

[(1, 205402545), (3, 68467515), (5, 41080509), (9, 22822505), (15, 13693503), (45, 4564501), (1873, 109665), (2437, 84285), (5619, 36555), (7311, 28095), (9365, 21933), (12185, 16857)]