213772135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{1217}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 276680880

約数和(自身を除く): 62908745

約数列:

[1, 5, 19, 43, 95, 215, 817, 1217, 1849, 4085, 6085, 9245, 23123, 35131, 52331, 115615, 175655, 261655, 994289, 2250233, 4971445, 11251165, 42754427, 213772135]

約数ペア:

[(1, 213772135), (5, 42754427), (19, 11251165), (43, 4971445), (95, 2250233), (215, 994289), (817, 261655), (1217, 175655), (1849, 115615), (4085, 52331), (6085, 35131), (9245, 23123)]