208792887

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{11981}}^1$

素因数の和:12178

約数の個数: 16

約数和(自身を含む): 287759712

約数和(自身を除く): 78966825

約数列:

[1, 3, 37, 111, 157, 471, 5809, 11981, 17427, 35943, 443297, 1329891, 1881017, 5643051, 69597629, 208792887]

約数ペア:

[(1, 208792887), (3, 69597629), (37, 5643051), (111, 1881017), (157, 1329891), (471, 443297), (5809, 35943), (11981, 17427)]