28141155

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 57953280

約数和(自身を除く): 29812125

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 97, 105, 135, 189, 291, 307, 315, 485, 679, 873, 921, 945, 1455, 1535, 2037, 2149, 2619, 2763, 3395, 4365, 4605, 6111, 6447, 8289, 10185, 10745, 13095, 13815, 18333, 19341, 29779, 30555, 32235, 41445, 58023, 89337, 91665, 96705, 148895, 208453, 268011, 290115, 446685, 625359, 804033, 1042265, 1340055, 1876077, 3126795, 4020165, 5628231, 9380385, 28141155]

約数ペア:

[(1, 28141155), (3, 9380385), (5, 5628231), (7, 4020165), (9, 3126795), (15, 1876077), (21, 1340055), (27, 1042265), (35, 804033), (45, 625359), (63, 446685), (97, 290115), (105, 268011), (135, 208453), (189, 148895), (291, 96705), (307, 91665), (315, 89337), (485, 58023), (679, 41445), (873, 32235), (921, 30555), (945, 29779), (1455, 19341), (1535, 18333), (2037, 13815), (2149, 13095), (2619, 10745), (2763, 10185), (3395, 8289), (4365, 6447), (4605, 6111)]