28540953

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19697}}^1$

素因数の和:19733

約数の個数: 24

約数和(自身を含む): 49166208

約数和(自身を除く): 20625255

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19697, 59091, 137879, 177273, 413637, 453031, 1240911, 1359093, 3171217, 4077279, 9513651, 28540953]

約数ペア:

[(1, 28540953), (3, 9513651), (7, 4077279), (9, 3171217), (21, 1359093), (23, 1240911), (63, 453031), (69, 413637), (161, 177273), (207, 137879), (483, 59091), (1449, 19697)]