28504161

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23813}}^1$

素因数の和:23845

約数の個数: 24

約数和(自身を含む): 49533120

約数和(自身を除く): 21028959

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23813, 71439, 166691, 214317, 452447, 500073, 1357341, 1500219, 3167129, 4072023, 9501387, 28504161]

約数ペア:

[(1, 28504161), (3, 9501387), (7, 4072023), (9, 3167129), (19, 1500219), (21, 1357341), (57, 500073), (63, 452447), (133, 214317), (171, 166691), (399, 71439), (1197, 23813)]