50821281

素因数分解:

$3^2\times 7^3\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 86985600

約数和(自身を除く): 36164319

約数列:

[1, 3, 7, 9, 21, 49, 63, 101, 147, 163, 303, 343, 441, 489, 707, 909, 1029, 1141, 1467, 2121, 3087, 3423, 4949, 6363, 7987, 10269, 14847, 16463, 23961, 34643, 44541, 49389, 55909, 71883, 103929, 115241, 148167, 167727, 311787, 345723, 503181, 806687, 1037169, 2420061, 5646809, 7260183, 16940427, 50821281]

約数ペア:

[(1, 50821281), (3, 16940427), (7, 7260183), (9, 5646809), (21, 2420061), (49, 1037169), (63, 806687), (101, 503181), (147, 345723), (163, 311787), (303, 167727), (343, 148167), (441, 115241), (489, 103929), (707, 71883), (909, 55909), (1029, 49389), (1141, 44541), (1467, 34643), (2121, 23961), (3087, 16463), (3423, 14847), (4949, 10269), (6363, 7987)]