128568111

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{11981}}^1$

素因数の和:12071

約数の個数: 24

約数和(自身を含む): 202160304

約数和(自身を除く): 73592193

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 3577, 10731, 11981, 35943, 83867, 251601, 587069, 874613, 1761207, 2623839, 6122291, 18366873, 42856037, 128568111]

約数ペア:

[(1, 128568111), (3, 42856037), (7, 18366873), (21, 6122291), (49, 2623839), (73, 1761207), (147, 874613), (219, 587069), (511, 251601), (1533, 83867), (3577, 35943), (10731, 11981)]