80687523

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 125452800

約数和(自身を除く): 44765277

約数列:

[1, 3, 7, 21, 107, 149, 241, 321, 447, 723, 749, 1043, 1687, 2247, 3129, 5061, 15943, 25787, 35909, 47829, 77361, 107727, 111601, 180509, 251363, 334803, 541527, 754089, 3842263, 11526789, 26895841, 80687523]

約数ペア:

[(1, 80687523), (3, 26895841), (7, 11526789), (21, 3842263), (107, 754089), (149, 541527), (241, 334803), (321, 251363), (447, 180509), (723, 111601), (749, 107727), (1043, 77361), (1687, 47829), (2247, 35909), (3129, 25787), (5061, 15943)]