128280861

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{279479}}^1$

素因数の和:279505

約数の個数: 16

約数和(自身を含む): 201225600

約数和(自身を除く): 72944739

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 279479, 838437, 2515311, 4751143, 7545933, 14253429, 42760287, 128280861]

約数ペア:

[(1, 128280861), (3, 42760287), (9, 14253429), (17, 7545933), (27, 4751143), (51, 2515311), (153, 838437), (459, 279479)]