81841071

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 120460032

約数和(自身を除く): 38618961

約数列:

[1, 3, 13, 39, 83, 131, 193, 249, 393, 579, 1079, 1703, 2509, 3237, 5109, 7527, 10873, 16019, 25283, 32619, 48057, 75849, 141349, 208247, 328679, 424047, 624741, 986037, 2098489, 6295467, 27280357, 81841071]

約数ペア:

[(1, 81841071), (3, 27280357), (13, 6295467), (39, 2098489), (83, 986037), (131, 624741), (193, 424047), (249, 328679), (393, 208247), (579, 141349), (1079, 75849), (1703, 48057), (2509, 32619), (3237, 25283), (5109, 16019), (7527, 10873)]