26390763

素因数分解:

$3^2\times 7^3\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 45427200

約数和(自身を除く): 19036437

約数列:

[1, 3, 7, 9, 21, 49, 63, 83, 103, 147, 249, 309, 343, 441, 581, 721, 747, 927, 1029, 1743, 2163, 3087, 4067, 5047, 5229, 6489, 8549, 12201, 15141, 25647, 28469, 35329, 36603, 45423, 59843, 76941, 85407, 105987, 179529, 256221, 317961, 418901, 538587, 1256703, 2932307, 3770109, 8796921, 26390763]

約数ペア:

[(1, 26390763), (3, 8796921), (7, 3770109), (9, 2932307), (21, 1256703), (49, 538587), (63, 418901), (83, 317961), (103, 256221), (147, 179529), (249, 105987), (309, 85407), (343, 76941), (441, 59843), (581, 45423), (721, 36603), (747, 35329), (927, 28469), (1029, 25647), (1743, 15141), (2163, 12201), (3087, 8549), (4067, 6489), (5047, 5229)]