81185205

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{1069}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 133741440

約数和(自身を除く): 52556235

約数列:

[1, 3, 5, 15, 61, 83, 183, 249, 305, 415, 915, 1069, 1245, 3207, 5063, 5345, 15189, 16035, 25315, 65209, 75945, 88727, 195627, 266181, 326045, 443635, 978135, 1330905, 5412347, 16237041, 27061735, 81185205]

約数ペア:

[(1, 81185205), (3, 27061735), (5, 16237041), (15, 5412347), (61, 1330905), (83, 978135), (183, 443635), (249, 326045), (305, 266181), (415, 195627), (915, 88727), (1069, 75945), (1245, 65209), (3207, 25315), (5063, 16035), (5345, 15189)]