12581121

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4373}}^1$

素因数の和:4520

約数の個数: 16

約数和(自身を含む): 19315584

約数和(自身を除く): 6734463

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 4373, 13119, 30611, 91833, 599101, 1797303, 4193707, 12581121]

約数ペア:

[(1, 12581121), (3, 4193707), (7, 1797303), (21, 599101), (137, 91833), (411, 30611), (959, 13119), (2877, 4373)]