128941209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{15901}}^1$

素因数の和:15977

約数の個数: 24

約数和(自身を含む): 200937672

約数和(自身を除く): 71996463

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2703, 8109, 15901, 47703, 143109, 270317, 810951, 842753, 2432853, 2528259, 7584777, 14326801, 42980403, 128941209]

約数ペア:

[(1, 128941209), (3, 42980403), (9, 14326801), (17, 7584777), (51, 2528259), (53, 2432853), (153, 842753), (159, 810951), (477, 270317), (901, 143109), (2703, 47703), (8109, 15901)]