204861489

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{263657}}^1$

素因数の和:263704

約数の個数: 16

約数和(自身を含む): 320608128

約数和(自身を除く): 115746639

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 263657, 790971, 1845599, 5536797, 9755309, 29265927, 68287163, 204861489]

約数ペア:

[(1, 204861489), (3, 68287163), (7, 29265927), (21, 9755309), (37, 5536797), (111, 1845599), (259, 790971), (777, 263657)]