128339919

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{1429}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 196756560

約数和(自身を除く): 68416641

約数列:

[1, 3, 9, 17, 51, 153, 587, 1429, 1761, 4287, 5283, 9979, 12861, 24293, 29937, 72879, 89811, 218637, 838823, 2516469, 7549407, 14259991, 42779973, 128339919]

約数ペア:

[(1, 128339919), (3, 42779973), (9, 14259991), (17, 7549407), (51, 2516469), (153, 838823), (587, 218637), (1429, 89811), (1761, 72879), (4287, 29937), (5283, 24293), (9979, 12861)]