25391205

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 52308480

約数和(自身を除く): 26917275

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 97, 105, 135, 189, 277, 291, 315, 485, 679, 831, 873, 945, 1385, 1455, 1939, 2037, 2493, 2619, 3395, 4155, 4365, 5817, 6111, 7479, 9695, 10185, 12465, 13095, 17451, 18333, 26869, 29085, 30555, 37395, 52353, 80607, 87255, 91665, 134345, 188083, 241821, 261765, 403035, 564249, 725463, 940415, 1209105, 1692747, 2821245, 3627315, 5078241, 8463735, 25391205]

約数ペア:

[(1, 25391205), (3, 8463735), (5, 5078241), (7, 3627315), (9, 2821245), (15, 1692747), (21, 1209105), (27, 940415), (35, 725463), (45, 564249), (63, 403035), (97, 261765), (105, 241821), (135, 188083), (189, 134345), (277, 91665), (291, 87255), (315, 80607), (485, 52353), (679, 37395), (831, 30555), (873, 29085), (945, 26869), (1385, 18333), (1455, 17451), (1939, 13095), (2037, 12465), (2493, 10185), (2619, 9695), (3395, 7479), (4155, 6111), (4365, 5817)]