600021

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 16

約数和(自身を含む): 904320

約数和(自身を除く): 304299

約数列:

[1, 3, 9, 27, 71, 213, 313, 639, 939, 1917, 2817, 8451, 22223, 66669, 200007, 600021]

約数ペア:

[(1, 600021), (3, 200007), (9, 66669), (27, 22223), (71, 8451), (213, 2817), (313, 1917), (639, 939)]