208889313

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{22807}}^1$

素因数の和:22924

約数の個数: 16

約数和(自身を含む): 289022976

約数和(自身を除く): 80133663

約数列:

[1, 3, 43, 71, 129, 213, 3053, 9159, 22807, 68421, 980701, 1619297, 2942103, 4857891, 69629771, 208889313]

約数ペア:

[(1, 208889313), (3, 69629771), (43, 4857891), (71, 2942103), (129, 1619297), (213, 980701), (3053, 68421), (9159, 22807)]