81389011

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 91623168

約数和(自身を除く): 10234157

約数列:

[1, 11, 37, 311, 407, 643, 3421, 7073, 11507, 23791, 126577, 199973, 261701, 2199703, 7399001, 81389011]

約数ペア:

[(1, 81389011), (11, 7399001), (37, 2199703), (311, 261701), (407, 199973), (643, 126577), (3421, 23791), (7073, 11507)]