12289263

素因数分解:

$3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1321}}^1$

素因数の和:1774

約数の個数: 16

約数和(自身を含む): 18782976

約数和(自身を除く): 6493713

約数列:

[1, 3, 7, 21, 443, 1321, 1329, 3101, 3963, 9247, 9303, 27741, 585203, 1755609, 4096421, 12289263]

約数ペア:

[(1, 12289263), (3, 4096421), (7, 1755609), (21, 585203), (443, 27741), (1321, 9303), (1329, 9247), (3101, 3963)]