8168121

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{7757}}^1$

素因数の和:7782

約数の個数: 20

約数和(自身を含む): 13142052

約数和(自身を除く): 4973931

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 7757, 23271, 69813, 100841, 209439, 302523, 628317, 907569, 2722707, 8168121]

約数ペア:

[(1, 8168121), (3, 2722707), (9, 907569), (13, 628317), (27, 302523), (39, 209439), (81, 100841), (117, 69813), (351, 23271), (1053, 7757)]