15353919

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 27156480

約数和(自身を除く): 11802561

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 101, 127, 133, 171, 303, 381, 399, 707, 889, 909, 1143, 1197, 1919, 2121, 2413, 2667, 5757, 6363, 7239, 8001, 12827, 13433, 16891, 17271, 21717, 38481, 40299, 50673, 89789, 115443, 120897, 152019, 243713, 269367, 731139, 808101, 1705991, 2193417, 5117973, 15353919]

約数ペア:

[(1, 15353919), (3, 5117973), (7, 2193417), (9, 1705991), (19, 808101), (21, 731139), (57, 269367), (63, 243713), (101, 152019), (127, 120897), (133, 115443), (171, 89789), (303, 50673), (381, 40299), (399, 38481), (707, 21717), (889, 17271), (909, 16891), (1143, 13433), (1197, 12827), (1919, 8001), (2121, 7239), (2413, 6363), (2667, 5757)]