12128949

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2437}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 20284160

約数和(自身を除く): 8155211

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 2437, 4977, 7311, 17059, 21933, 51177, 153531, 192523, 577569, 1347661, 1732707, 4042983, 12128949]

約数ペア:

[(1, 12128949), (3, 4042983), (7, 1732707), (9, 1347661), (21, 577569), (63, 192523), (79, 153531), (237, 51177), (553, 21933), (711, 17059), (1659, 7311), (2437, 4977)]