128568225

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{15727}}^1$

素因数の和:15849

約数の個数: 24

約数和(自身を含む): 214529920

約数和(自身を除く): 85961695

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2725, 8175, 15727, 47181, 78635, 235905, 393175, 1179525, 1714243, 5142729, 8571215, 25713645, 42856075, 128568225]

約数ペア:

[(1, 128568225), (3, 42856075), (5, 25713645), (15, 8571215), (25, 5142729), (75, 1714243), (109, 1179525), (327, 393175), (545, 235905), (1635, 78635), (2725, 47181), (8175, 15727)]