206579541

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{19793}}^1$

素因数の和:19881

約数の個数: 24

約数和(自身を含む): 324938304

約数和(自身を除く): 118358763

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 19793, 59379, 138551, 415653, 969857, 1405303, 2909571, 4215909, 9837121, 29511363, 68859847, 206579541]

約数ペア:

[(1, 206579541), (3, 68859847), (7, 29511363), (21, 9837121), (49, 4215909), (71, 2909571), (147, 1405303), (213, 969857), (497, 415653), (1491, 138551), (3479, 59379), (10437, 19793)]