1844280981

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{208889}}^1$

素因数の和:209010

約数の個数: 20

約数和(自身を含む): 2780325900

約数和(自身を除く): 936044919

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 208889, 626667, 1880001, 5640003, 16920009, 22768901, 68306703, 204920109, 614760327, 1844280981]

約数ペア:

[(1, 1844280981), (3, 614760327), (9, 204920109), (27, 68306703), (81, 22768901), (109, 16920009), (327, 5640003), (981, 1880001), (2943, 626667), (8829, 208889)]