81339335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211271}}^1$

素因数の和:211294

約数の個数: 16

約数和(自身を含む): 121692672

約数和(自身を除く): 40353337

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 211271, 1056355, 1478897, 2323981, 7394485, 11619905, 16267867, 81339335]

約数ペア:

[(1, 81339335), (5, 16267867), (7, 11619905), (11, 7394485), (35, 2323981), (55, 1478897), (77, 1056355), (385, 211271)]