28321821

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6653}}^1$

素因数の和:6713

約数の個数: 24

約数和(自身を含む): 45673056

約数和(自身を除く): 17351235

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 6653, 19959, 59877, 73183, 219549, 286079, 658647, 858237, 2574711, 3146869, 9440607, 28321821]

約数ペア:

[(1, 28321821), (3, 9440607), (9, 3146869), (11, 2574711), (33, 858237), (43, 658647), (99, 286079), (129, 219549), (387, 73183), (473, 59877), (1419, 19959), (4257, 6653)]