28341369

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23677}}^1$

素因数の和:23709

約数の個数: 24

約数和(自身を含む): 49250240

約数和(自身を除く): 20908871

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23677, 71031, 165739, 213093, 449863, 497217, 1349589, 1491651, 3149041, 4048767, 9447123, 28341369]

約数ペア:

[(1, 28341369), (3, 9447123), (7, 4048767), (9, 3149041), (19, 1491651), (21, 1349589), (57, 497217), (63, 449863), (133, 213093), (171, 165739), (399, 71031), (1197, 23677)]