27449825

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 37782180

約数和(自身を除く): 10332355

約数列:

[1, 5, 13, 25, 65, 73, 89, 169, 325, 365, 445, 845, 949, 1157, 1825, 2225, 4225, 4745, 5785, 6497, 12337, 15041, 23725, 28925, 32485, 61685, 75205, 84461, 162425, 308425, 376025, 422305, 1097993, 2111525, 5489965, 27449825]

約数ペア:

[(1, 27449825), (5, 5489965), (13, 2111525), (25, 1097993), (65, 422305), (73, 376025), (89, 308425), (169, 162425), (325, 84461), (365, 75205), (445, 61685), (845, 32485), (949, 28925), (1157, 23725), (1825, 15041), (2225, 12337), (4225, 6497), (4745, 5785)]