201520833

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{42221}}^1$

素因数の和:42304

約数の個数: 16

約数和(自身を含む): 282380736

約数和(自身を除く): 80859903

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4773, 42221, 126663, 1562177, 1815503, 4686531, 5446509, 67173611, 201520833]

約数ペア:

[(1, 201520833), (3, 67173611), (37, 5446509), (43, 4686531), (111, 1815503), (129, 1562177), (1591, 126663), (4773, 42221)]