25020549

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 41696640

約数和(自身を除く): 16676091

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 151, 153, 171, 323, 361, 453, 459, 513, 969, 1083, 1359, 2567, 2869, 2907, 3249, 4077, 6137, 7701, 8607, 8721, 9747, 18411, 23103, 25821, 48773, 54511, 55233, 69309, 77463, 146319, 163533, 165699, 438957, 490599, 926687, 1316871, 1471797, 2780061, 8340183, 25020549]

約数ペア:

[(1, 25020549), (3, 8340183), (9, 2780061), (17, 1471797), (19, 1316871), (27, 926687), (51, 490599), (57, 438957), (151, 165699), (153, 163533), (171, 146319), (323, 77463), (361, 69309), (453, 55233), (459, 54511), (513, 48773), (969, 25821), (1083, 23103), (1359, 18411), (2567, 9747), (2869, 8721), (2907, 8607), (3249, 7701), (4077, 6137)]