81627351

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 40300329

約数列:

[1, 3, 13, 39, 41, 71, 123, 213, 533, 719, 923, 1599, 2157, 2769, 2911, 8733, 9347, 28041, 29479, 37843, 51049, 88437, 113529, 153147, 383227, 663637, 1149681, 1990911, 2093009, 6279027, 27209117, 81627351]

約数ペア:

[(1, 81627351), (3, 27209117), (13, 6279027), (39, 2093009), (41, 1990911), (71, 1149681), (123, 663637), (213, 383227), (533, 153147), (719, 113529), (923, 88437), (1599, 51049), (2157, 37843), (2769, 29479), (2911, 28041), (8733, 9347)]