12047049

素因数分解:

$3^4\times 7^1\times {\mathrm{21247}}^1$

素因数の和:21266

約数の個数: 20

約数和(自身を含む): 20568064

約数和(自身を除く): 8521015

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21247, 63741, 148729, 191223, 446187, 573669, 1338561, 1721007, 4015683, 12047049]

約数ペア:

[(1, 12047049), (3, 4015683), (7, 1721007), (9, 1338561), (21, 573669), (27, 446187), (63, 191223), (81, 148729), (189, 63741), (567, 21247)]