28786023

素因数分解:

$3^6\times 7^1\times {\mathrm{5641}}^1$

素因数の和:5666

約数の個数: 28

約数和(自身を含む): 49333648

約数和(自身を除く): 20547625

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 5641, 16923, 39487, 50769, 118461, 152307, 355383, 456921, 1066149, 1370763, 3198447, 4112289, 9595341, 28786023]

約数ペア:

[(1, 28786023), (3, 9595341), (7, 4112289), (9, 3198447), (21, 1370763), (27, 1066149), (63, 456921), (81, 355383), (189, 152307), (243, 118461), (567, 50769), (729, 39487), (1701, 16923), (5103, 5641)]