2149022025

素因数分解:

$3^2\times 5^2\times {\mathrm{9551209}}^1$

素因数の和:9551225

約数の個数: 18

約数和(自身を含む): 3849137630

約数和(自身を除く): 1700115605

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 9551209, 28653627, 47756045, 85960881, 143268135, 238780225, 429804405, 716340675, 2149022025]

約数ペア:

[(1, 2149022025), (3, 716340675), (5, 429804405), (9, 238780225), (15, 143268135), (25, 85960881), (45, 47756045), (75, 28653627), (225, 9551209)]