128410299

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{279761}}^1$

素因数の和:279787

約数の個数: 16

約数和(自身を含む): 201428640

約数和(自身を除く): 73018341

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 279761, 839283, 2517849, 4755937, 7553547, 14267811, 42803433, 128410299]

約数ペア:

[(1, 128410299), (3, 42803433), (9, 14267811), (17, 7553547), (27, 4755937), (51, 2517849), (153, 839283), (459, 279761)]