201891809

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{132911}}^1$

素因数の和:132956

約数の個数: 12

約数和(自身を含む): 242431488

約数和(自身を除く): 40539679

約数列:

[1, 7, 31, 49, 217, 1519, 132911, 930377, 4120241, 6512639, 28841687, 201891809]

約数ペア:

[(1, 201891809), (7, 28841687), (31, 6512639), (49, 4120241), (217, 930377), (1519, 132911)]