217202331

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{8461}}^1$

素因数の和:8706

約数の個数: 16

約数和(自身を含む): 297862400

約数和(自身を除く): 80660069

約数列:

[1, 3, 43, 129, 199, 597, 8461, 8557, 25383, 25671, 363823, 1091469, 1683739, 5051217, 72400777, 217202331]

約数ペア:

[(1, 217202331), (3, 72400777), (43, 5051217), (129, 1683739), (199, 1091469), (597, 363823), (8461, 25671), (8557, 25383)]