81886509

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{5419}}^1$

素因数の和:5521

約数の個数: 24

約数和(自身を含む): 125136960

約数和(自身を除く): 43250451

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1679, 5037, 5419, 15111, 16257, 48771, 124637, 373911, 395587, 1121733, 1186761, 3560283, 9098501, 27295503, 81886509]

約数ペア:

[(1, 81886509), (3, 27295503), (9, 9098501), (23, 3560283), (69, 1186761), (73, 1121733), (207, 395587), (219, 373911), (657, 124637), (1679, 48771), (5037, 16257), (5419, 15111)]