15971275

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 20623680

約数和(自身を除く): 4652405

約数列:

[1, 5, 25, 43, 83, 179, 215, 415, 895, 1075, 2075, 3569, 4475, 7697, 14857, 17845, 38485, 74285, 89225, 192425, 371425, 638851, 3194255, 15971275]

約数ペア:

[(1, 15971275), (5, 3194255), (25, 638851), (43, 371425), (83, 192425), (179, 89225), (215, 74285), (415, 38485), (895, 17845), (1075, 14857), (2075, 7697), (3569, 4475)]