855888921

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{971}}^1\times {\mathrm{2647}}^1$

素因数の和:3661

約数の個数: 24

約数和(自身を含む): 1271484864

約数和(自身を除く): 415595943

約数列:

[1, 3, 9, 37, 111, 333, 971, 2647, 2913, 7941, 8739, 23823, 35927, 97939, 107781, 293817, 323343, 881451, 2570237, 7710711, 23132133, 95098769, 285296307, 855888921]

約数ペア:

[(1, 855888921), (3, 285296307), (9, 95098769), (37, 23132133), (111, 7710711), (333, 2570237), (971, 881451), (2647, 323343), (2913, 293817), (7941, 107781), (8739, 97939), (23823, 35927)]