28851915

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27091}}^1$

素因数の和:27170

約数の個数: 16

約数和(自身を含む): 46814976

約数和(自身を除く): 17963061

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 27091, 81273, 135455, 406365, 1923461, 5770383, 9617305, 28851915]

約数ペア:

[(1, 28851915), (3, 9617305), (5, 5770383), (15, 1923461), (71, 406365), (213, 135455), (355, 81273), (1065, 27091)]