28382193

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10477}}^1$

素因数の和:10533

約数の個数: 24

約数和(自身を含む): 47947328

約数和(自身を除く): 19565135

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 10477, 31431, 73339, 94293, 220017, 450511, 660051, 1351533, 3153577, 4054599, 9460731, 28382193]

約数ペア:

[(1, 28382193), (3, 9460731), (7, 4054599), (9, 3153577), (21, 1351533), (43, 660051), (63, 450511), (129, 220017), (301, 94293), (387, 73339), (903, 31431), (2709, 10477)]