81990271

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^2\times {\mathrm{941}}^1$

素因数の和:1130

約数の個数: 12

約数和(自身を含む): 90556344

約数和(自身を除く): 8566073

約数列:

[1, 11, 89, 941, 979, 7921, 10351, 83749, 87131, 921239, 7453661, 81990271]

約数ペア:

[(1, 81990271), (11, 7453661), (89, 921239), (941, 87131), (979, 83749), (7921, 10351)]