2001155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1811}}^1$

素因数の和:1846

約数の個数: 16

約数和(自身を含む): 2739744

約数和(自身を除く): 738589

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1811, 9055, 23543, 30787, 117715, 153935, 400231, 2001155]

約数ペア:

[(1, 2001155), (5, 400231), (13, 153935), (17, 117715), (65, 30787), (85, 23543), (221, 9055), (1105, 1811)]