12171303

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{8839}}^1$

素因数の和:8868

約数の個数: 20

約数和(自身を含む): 19253520

約数和(自身を除く): 7082217

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 8839, 26517, 79551, 150263, 238653, 450789, 715959, 1352367, 4057101, 12171303]

約数ペア:

[(1, 12171303), (3, 4057101), (9, 1352367), (17, 715959), (27, 450789), (51, 238653), (81, 150263), (153, 79551), (459, 26517), (1377, 8839)]