8712121

素因数分解:

${\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:920

約数の個数: 12

約数和(自身を含む): 9695700

約数和(自身を除く): 983579

約数列:

[1, 11, 89, 121, 809, 979, 8899, 10769, 72001, 97889, 792011, 8712121]

約数ペア:

[(1, 8712121), (11, 792011), (89, 97889), (121, 72001), (809, 10769), (979, 8899)]