18277839

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{39821}}^1$

素因数の和:39847

約数の個数: 16

約数和(自身を含む): 28671840

約数和(自身を除く): 10394001

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 39821, 119463, 358389, 676957, 1075167, 2030871, 6092613, 18277839]

約数ペア:

[(1, 18277839), (3, 6092613), (9, 2030871), (17, 1075167), (27, 676957), (51, 358389), (153, 119463), (459, 39821)]