217996899

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{613}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 325370880

約数和(自身を除く): 107373981

約数列:

[1, 3, 17, 19, 51, 57, 323, 367, 613, 969, 1101, 1839, 6239, 6973, 10421, 11647, 18717, 20919, 31263, 34941, 118541, 197999, 224971, 355623, 593997, 674913, 3824507, 4274449, 11473521, 12823347, 72665633, 217996899]

約数ペア:

[(1, 217996899), (3, 72665633), (17, 12823347), (19, 11473521), (51, 4274449), (57, 3824507), (323, 674913), (367, 593997), (613, 355623), (969, 224971), (1101, 197999), (1839, 118541), (6239, 34941), (6973, 31263), (10421, 20919), (11647, 18717)]