26991447

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2467}}^1$

素因数の和:2998

約数の個数: 16

約数和(自身を含む): 41225472

約数和(自身を除く): 14234025

約数列:

[1, 3, 7, 21, 521, 1563, 2467, 3647, 7401, 10941, 17269, 51807, 1285307, 3855921, 8997149, 26991447]

約数ペア:

[(1, 26991447), (3, 8997149), (7, 3855921), (21, 1285307), (521, 51807), (1563, 17269), (2467, 10941), (3647, 7401)]