28338921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10531}}^1$

素因数の和:10573

約数の個数: 24

約数和(自身を含む): 46003776

約数和(自身を除く): 17664855

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 10531, 31593, 94779, 136903, 242213, 410709, 726639, 1232127, 2179917, 3148769, 9446307, 28338921]

約数ペア:

[(1, 28338921), (3, 9446307), (9, 3148769), (13, 2179917), (23, 1232127), (39, 726639), (69, 410709), (117, 242213), (207, 136903), (299, 94779), (897, 31593), (2691, 10531)]