16978143

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{62191}}^1$

素因数の和:62214

約数の個数: 16

約数和(自身を含む): 27862016

約数和(自身を除く): 10883873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 62191, 186573, 435337, 808483, 1306011, 2425449, 5659381, 16978143]

約数ペア:

[(1, 16978143), (3, 5659381), (7, 2425449), (13, 1306011), (21, 808483), (39, 435337), (91, 186573), (273, 62191)]