28117713

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1789}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 41928960

約数和(自身を除く): 13811247

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 1789, 5239, 5367, 15717, 23257, 55459, 69771, 166377, 302341, 720967, 907023, 2162901, 9372571, 28117713]

約数ペア:

[(1, 28117713), (3, 9372571), (13, 2162901), (31, 907023), (39, 720967), (93, 302341), (169, 166377), (403, 69771), (507, 55459), (1209, 23257), (1789, 15717), (5239, 5367)]