25530219

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 18499221

約数列:

[1, 3, 9, 11, 13, 33, 39, 83, 99, 117, 143, 239, 249, 429, 717, 747, 913, 1079, 1287, 2151, 2629, 2739, 3107, 3237, 7887, 8217, 9321, 9711, 11869, 19837, 23661, 27963, 34177, 35607, 59511, 102531, 106821, 178533, 218207, 257881, 307593, 654621, 773643, 1963863, 2320929, 2836691, 8510073, 25530219]

約数ペア:

[(1, 25530219), (3, 8510073), (9, 2836691), (11, 2320929), (13, 1963863), (33, 773643), (39, 654621), (83, 307593), (99, 257881), (117, 218207), (143, 178533), (239, 106821), (249, 102531), (429, 59511), (717, 35607), (747, 34177), (913, 27963), (1079, 23661), (1287, 19837), (2151, 11869), (2629, 9711), (2739, 9321), (3107, 8217), (3237, 7887)]