27888021

素因数分解:

$3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2473}}^1$

素因数の和:2665

約数の個数: 24

約数和(自身を含む): 46313280

約数和(自身を除く): 18425259

約数列:

[1, 3, 7, 9, 21, 63, 179, 537, 1253, 1611, 2473, 3759, 7419, 11277, 17311, 22257, 51933, 155799, 442667, 1328001, 3098669, 3984003, 9296007, 27888021]

約数ペア:

[(1, 27888021), (3, 9296007), (7, 3984003), (9, 3098669), (21, 1328001), (63, 442667), (179, 155799), (537, 51933), (1253, 22257), (1611, 17311), (2473, 11277), (3759, 7419)]