215119863

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{17333}}^1$

素因数の和:17543

約数の個数: 24

約数和(自身を含む): 356941728

約数和(自身を除く): 141821865

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 4137, 12411, 17333, 51999, 121331, 155997, 363993, 1091979, 3414601, 10243803, 23902207, 30731409, 71706621, 215119863]

約数ペア:

[(1, 215119863), (3, 71706621), (7, 30731409), (9, 23902207), (21, 10243803), (63, 3414601), (197, 1091979), (591, 363993), (1379, 155997), (1773, 121331), (4137, 51999), (12411, 17333)]