25789239

素因数分解:

$3^3\times 7^2\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 45116640

約数和(自身を除く): 19327401

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 101, 147, 189, 193, 303, 441, 579, 707, 909, 1323, 1351, 1737, 2121, 2727, 4053, 4949, 5211, 6363, 9457, 12159, 14847, 19089, 19493, 28371, 36477, 44541, 58479, 85113, 133623, 136451, 175437, 255339, 409353, 526311, 955157, 1228059, 2865471, 3684177, 8596413, 25789239]

約数ペア:

[(1, 25789239), (3, 8596413), (7, 3684177), (9, 2865471), (21, 1228059), (27, 955157), (49, 526311), (63, 409353), (101, 255339), (147, 175437), (189, 136451), (193, 133623), (303, 85113), (441, 58479), (579, 44541), (707, 36477), (909, 28371), (1323, 19493), (1351, 19089), (1737, 14847), (2121, 12159), (2727, 9457), (4053, 6363), (4949, 5211)]