317961

素因数分解:

$3^2\times 7^3\times {\mathrm{103}}^1$

素因数の和:130

約数の個数: 24

約数和(自身を含む): 540800

約数和(自身を除く): 222839

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 343, 441, 721, 927, 1029, 2163, 3087, 5047, 6489, 15141, 35329, 45423, 105987, 317961]

約数ペア:

[(1, 317961), (3, 105987), (7, 45423), (9, 35329), (21, 15141), (49, 6489), (63, 5047), (103, 3087), (147, 2163), (309, 1029), (343, 927), (441, 721)]