28972503

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8677}}^1$

素因数の和:8743

約数の個数: 24

約数和(自身を含む): 48735648

約数和(自身を除く): 19763145

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 8677, 26031, 60739, 78093, 182217, 459881, 546651, 1379643, 3219167, 4138929, 9657501, 28972503]

約数ペア:

[(1, 28972503), (3, 9657501), (7, 4138929), (9, 3219167), (21, 1379643), (53, 546651), (63, 459881), (159, 182217), (371, 78093), (477, 60739), (1113, 26031), (3339, 8677)]