261327519

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{4483}}^1$

素因数の和:4636

約数の個数: 32

約数和(自身を含む): 413245440

約数和(自身を除く): 151917921

約数列:

[1, 3, 9, 17, 27, 51, 127, 153, 381, 459, 1143, 2159, 3429, 4483, 6477, 13449, 19431, 40347, 58293, 76211, 121041, 228633, 569341, 685899, 1708023, 2057697, 5124069, 9678797, 15372207, 29036391, 87109173, 261327519]

約数ペア:

[(1, 261327519), (3, 87109173), (9, 29036391), (17, 15372207), (27, 9678797), (51, 5124069), (127, 2057697), (153, 1708023), (381, 685899), (459, 569341), (1143, 228633), (2159, 121041), (3429, 76211), (4483, 58293), (6477, 40347), (13449, 19431)]