81657411

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{27803}}^1$

素因数の和:27906

約数の個数: 16

約数和(自身を含む): 120113280

約数和(自身を除く): 38455869

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 27803, 83409, 305833, 917499, 2474467, 7423401, 27219137, 81657411]

約数ペア:

[(1, 81657411), (3, 27219137), (11, 7423401), (33, 2474467), (89, 917499), (267, 305833), (979, 83409), (2937, 27803)]