28985859

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8681}}^1$

素因数の和:8747

約数の個数: 24

約数和(自身を含む): 48758112

約数和(自身を除く): 19772253

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 8681, 26043, 60767, 78129, 182301, 460093, 546903, 1380279, 3220651, 4140837, 9661953, 28985859]

約数ペア:

[(1, 28985859), (3, 9661953), (7, 4140837), (9, 3220651), (21, 1380279), (53, 546903), (63, 460093), (159, 182301), (371, 78129), (477, 60767), (1113, 26043), (3339, 8681)]