28997829

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2543}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 48152832

約数和(自身を除く): 19155003

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 2543, 3801, 7629, 11403, 17801, 22887, 53403, 160209, 460283, 1380849, 3221981, 4142547, 9665943, 28997829]

約数ペア:

[(1, 28997829), (3, 9665943), (7, 4142547), (9, 3221981), (21, 1380849), (63, 460283), (181, 160209), (543, 53403), (1267, 22887), (1629, 17801), (2543, 11403), (3801, 7629)]