128804565

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199697}}^1$

素因数の和:199748

約数の個数: 16

約数和(自身を含む): 210881088

約数和(自身を除く): 82076523

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 199697, 599091, 998485, 2995455, 8586971, 25760913, 42934855, 128804565]

約数ペア:

[(1, 128804565), (3, 42934855), (5, 25760913), (15, 8586971), (43, 2995455), (129, 998485), (215, 599091), (645, 199697)]