409682709

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{641131}}^1$

素因数の和:641208

約数の個数: 12

約数和(自身を含む): 600099552

約数和(自身を除く): 190416843

約数列:

[1, 3, 9, 71, 213, 639, 641131, 1923393, 5770179, 45520301, 136560903, 409682709]

約数ペア:

[(1, 409682709), (3, 136560903), (9, 45520301), (71, 5770179), (213, 1923393), (639, 641131)]