25083891

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 46402560

約数和(自身を除く): 21318669

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 63, 111, 119, 153, 189, 211, 259, 333, 357, 459, 629, 633, 777, 999, 1071, 1477, 1887, 1899, 2331, 3213, 3587, 4403, 4431, 5661, 5697, 6993, 7807, 10761, 13209, 13293, 16983, 23421, 25109, 32283, 39627, 39879, 54649, 70263, 75327, 96849, 118881, 132719, 163947, 210789, 225981, 398157, 491841, 677943, 929033, 1194471, 1475523, 2787099, 3583413, 8361297, 25083891]

約数ペア:

[(1, 25083891), (3, 8361297), (7, 3583413), (9, 2787099), (17, 1475523), (21, 1194471), (27, 929033), (37, 677943), (51, 491841), (63, 398157), (111, 225981), (119, 210789), (153, 163947), (189, 132719), (211, 118881), (259, 96849), (333, 75327), (357, 70263), (459, 54649), (629, 39879), (633, 39627), (777, 32283), (999, 25109), (1071, 23421), (1477, 16983), (1887, 13293), (1899, 13209), (2331, 10761), (3213, 7807), (3587, 6993), (4403, 5697), (4431, 5661)]