17105405

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 21189168

約数和(自身を除く): 4083763

約数列:

[1, 5, 41, 181, 205, 461, 905, 2305, 7421, 18901, 37105, 83441, 94505, 417205, 3421081, 17105405]

約数ペア:

[(1, 17105405), (5, 3421081), (41, 417205), (181, 94505), (205, 83441), (461, 37105), (905, 18901), (2305, 7421)]