16893513

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20627}}^1$

素因数の和:20653

約数の個数: 24

約数和(自身を含む): 30034368

約数和(自身を除く): 13140855

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 20627, 61881, 144389, 185643, 268151, 433167, 804453, 1299501, 1877057, 2413359, 5631171, 16893513]

約数ペア:

[(1, 16893513), (3, 5631171), (7, 2413359), (9, 1877057), (13, 1299501), (21, 804453), (39, 433167), (63, 268151), (91, 185643), (117, 144389), (273, 61881), (819, 20627)]