207171321

素因数分解:

$3^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{11987}}^1$

素因数の和:12820

約数の個数: 16

約数和(自身を含む): 316099584

約数和(自身を除く): 108928263

約数列:

[1, 3, 7, 21, 823, 2469, 5761, 11987, 17283, 35961, 83909, 251727, 9865301, 29595903, 69057107, 207171321]

約数ペア:

[(1, 207171321), (3, 69057107), (7, 29595903), (21, 9865301), (823, 251727), (2469, 83909), (5761, 35961), (11987, 17283)]