16398837

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20023}}^1$

素因数の和:20049

約数の個数: 24

約数和(自身を含む): 29154944

約数和(自身を除く): 12756107

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 20023, 60069, 140161, 180207, 260299, 420483, 780897, 1261449, 1822093, 2342691, 5466279, 16398837]

約数ペア:

[(1, 16398837), (3, 5466279), (7, 2342691), (9, 1822093), (13, 1261449), (21, 780897), (39, 420483), (63, 260299), (91, 180207), (117, 140161), (273, 60069), (819, 20023)]