28154889

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5657}}^1$

素因数の和:5749

約数の個数: 24

約数和(自身を含む): 47074560

約数和(自身を除く): 18919671

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 5657, 16971, 39599, 50913, 118797, 356391, 446903, 1340709, 3128321, 4022127, 9384963, 28154889]

約数ペア:

[(1, 28154889), (3, 9384963), (7, 4022127), (9, 3128321), (21, 1340709), (63, 446903), (79, 356391), (237, 118797), (553, 50913), (711, 39599), (1659, 16971), (4977, 5657)]