205803405

素因数分解:

$3^2\times 5^1\times {\mathrm{4573409}}^1$

素因数の和:4573420

約数の個数: 12

約数和(自身を含む): 356725980

約数和(自身を除く): 150922575

約数列:

[1, 3, 5, 9, 15, 45, 4573409, 13720227, 22867045, 41160681, 68601135, 205803405]

約数ペア:

[(1, 205803405), (3, 68601135), (5, 41160681), (9, 22867045), (15, 13720227), (45, 4573409)]