28295289

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6971}}^1$

素因数の和:7029

約数の個数: 24

約数和(自身を含む): 45680544

約数和(自身を除く): 17385255

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 6971, 20913, 62739, 76681, 230043, 285811, 690129, 857433, 2572299, 3143921, 9431763, 28295289]

約数ペア:

[(1, 28295289), (3, 9431763), (9, 3143921), (11, 2572299), (33, 857433), (41, 690129), (99, 285811), (123, 230043), (369, 76681), (451, 62739), (1353, 20913), (4059, 6971)]