221840423

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{9497}}^1$

素因数の和:9622

約数の個数: 16

約数和(自身を含む): 262600704

約数和(自身を除く): 40760281

約数列:

[1, 7, 47, 71, 329, 497, 3337, 9497, 23359, 66479, 446359, 674287, 3124513, 4720009, 31691489, 221840423]

約数ペア:

[(1, 221840423), (7, 31691489), (47, 4720009), (71, 3124513), (329, 674287), (497, 446359), (3337, 66479), (9497, 23359)]