28491309

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41113}}^1$

素因数の和:41137

約数の個数: 24

約数和(自身を含む): 51310272

約数和(自身を除く): 22818963

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 41113, 123339, 287791, 370017, 452243, 863373, 1356729, 2590119, 3165701, 4070187, 9497103, 28491309]

約数ペア:

[(1, 28491309), (3, 9497103), (7, 4070187), (9, 3165701), (11, 2590119), (21, 1356729), (33, 863373), (63, 452243), (77, 370017), (99, 287791), (231, 123339), (693, 41113)]