15987293

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3631}}^1$

素因数の和:3692

約数の個数: 16

約数和(自身を含む): 19874304

約数和(自身を除く): 3887011

約数列:

[1, 7, 17, 37, 119, 259, 629, 3631, 4403, 25417, 61727, 134347, 432089, 940429, 2283899, 15987293]

約数ペア:

[(1, 15987293), (7, 2283899), (17, 940429), (37, 432089), (119, 134347), (259, 61727), (629, 25417), (3631, 4403)]