784868049

素因数分解:

$3^4\times 7^1\times {\mathrm{1384247}}^1$

素因数の和:1384266

約数の個数: 20

約数和(自身を含む): 1339952064

約数和(自身を除く): 555084015

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1384247, 4152741, 9689729, 12458223, 29069187, 37374669, 87207561, 112124007, 261622683, 784868049]

約数ペア:

[(1, 784868049), (3, 261622683), (7, 112124007), (9, 87207561), (21, 37374669), (27, 29069187), (63, 12458223), (81, 9689729), (189, 4152741), (567, 1384247)]