138241005

素因数分解:

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

素因数の和:403

約数の個数: 64

約数和(自身を含む): 261542400

約数和(自身を除く): 123301395

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 97, 105, 147, 245, 277, 291, 343, 485, 679, 735, 831, 1029, 1385, 1455, 1715, 1939, 2037, 3395, 4155, 4753, 5145, 5817, 9695, 10185, 13573, 14259, 23765, 26869, 29085, 33271, 40719, 67865, 71295, 80607, 95011, 99813, 134345, 166355, 188083, 203595, 285033, 403035, 475055, 499065, 564249, 940415, 1316581, 1425165, 2821245, 3949743, 6582905, 9216067, 19748715, 27648201, 46080335, 138241005]

約数ペア:

[(1, 138241005), (3, 46080335), (5, 27648201), (7, 19748715), (15, 9216067), (21, 6582905), (35, 3949743), (49, 2821245), (97, 1425165), (105, 1316581), (147, 940415), (245, 564249), (277, 499065), (291, 475055), (343, 403035), (485, 285033), (679, 203595), (735, 188083), (831, 166355), (1029, 134345), (1385, 99813), (1455, 95011), (1715, 80607), (1939, 71295), (2037, 67865), (3395, 40719), (4155, 33271), (4753, 29085), (5145, 26869), (5817, 23765), (9695, 14259), (10185, 13573)]