8909919

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{347}}^1$

素因数の和:676

約数の個数: 20

約数和(自身を含む): 13390344

約数和(自身を除く): 4480425

約数列:

[1, 3, 9, 27, 81, 317, 347, 951, 1041, 2853, 3123, 8559, 9369, 25677, 28107, 109999, 329997, 989991, 2969973, 8909919]

約数ペア:

[(1, 8909919), (3, 2969973), (9, 989991), (27, 329997), (81, 109999), (317, 28107), (347, 25677), (951, 9369), (1041, 8559), (2853, 3123)]