15209997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12457}}^1$

素因数の和:12508

約数の個数: 16

約数和(自身を含む): 22723392

約数和(自身を除く): 7513395

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 12457, 37371, 137027, 411081, 460909, 1382727, 5069999, 15209997]

約数ペア:

[(1, 15209997), (3, 5069999), (11, 1382727), (33, 460909), (37, 411081), (111, 137027), (407, 37371), (1221, 12457)]