205127769

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{126857}}^1$

素因数の和:126885

約数の個数: 24

約数和(自身を含む): 347083488

約数和(自身を除く): 141955719

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 126857, 380571, 887999, 1395427, 2663997, 4186281, 6215993, 9767989, 18647979, 29303967, 68375923, 205127769]

約数ペア:

[(1, 205127769), (3, 68375923), (7, 29303967), (11, 18647979), (21, 9767989), (33, 6215993), (49, 4186281), (77, 2663997), (147, 1395427), (231, 887999), (539, 380571), (1617, 126857)]