15206305

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 18874944

約数和(自身を除く): 3668639

約数列:

[1, 5, 43, 107, 215, 535, 661, 3305, 4601, 23005, 28423, 70727, 142115, 353635, 3041261, 15206305]

約数ペア:

[(1, 15206305), (5, 3041261), (43, 353635), (107, 142115), (215, 70727), (535, 28423), (661, 23005), (3305, 4601)]