13215715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{859}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 16904160

約数和(自身を除く): 3688445

約数列:

[1, 5, 17, 85, 181, 859, 905, 3077, 4295, 14603, 15385, 73015, 155479, 777395, 2643143, 13215715]

約数ペア:

[(1, 13215715), (5, 2643143), (17, 777395), (85, 155479), (181, 73015), (859, 15385), (905, 14603), (3077, 4295)]