12389571

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 19491840

約数和(自身を除く): 7102269

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 281, 621, 639, 843, 1633, 1917, 2529, 4899, 6463, 7587, 14697, 19389, 19951, 44091, 58167, 59853, 174501, 179559, 458873, 538677, 1376619, 4129857, 12389571]

約数ペア:

[(1, 12389571), (3, 4129857), (9, 1376619), (23, 538677), (27, 458873), (69, 179559), (71, 174501), (207, 59853), (213, 58167), (281, 44091), (621, 19951), (639, 19389), (843, 14697), (1633, 7587), (1917, 6463), (2529, 4899)]