123518889

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:347

約数の個数: 54

約数和(自身を含む): 205959546

約数和(自身を除く): 82440657

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 281, 289, 507, 663, 843, 867, 1521, 1989, 2529, 2601, 2873, 3653, 3757, 4777, 8619, 10959, 11271, 14331, 25857, 32877, 33813, 42993, 47489, 48841, 62101, 81209, 142467, 146523, 186303, 243627, 427401, 439569, 558909, 730881, 807313, 1055717, 2421939, 3167151, 7265817, 9501453, 13724321, 41172963, 123518889]

約数ペア:

[(1, 123518889), (3, 41172963), (9, 13724321), (13, 9501453), (17, 7265817), (39, 3167151), (51, 2421939), (117, 1055717), (153, 807313), (169, 730881), (221, 558909), (281, 439569), (289, 427401), (507, 243627), (663, 186303), (843, 146523), (867, 142467), (1521, 81209), (1989, 62101), (2529, 48841), (2601, 47489), (2873, 42993), (3653, 33813), (3757, 32877), (4777, 25857), (8619, 14331), (10959, 11271)]