28211619

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1997}}^1$

素因数の和:2294

約数の個数: 16

約数和(自身を含む): 39991968

約数和(自身を除く): 11780349

約数列:

[1, 3, 17, 51, 277, 831, 1997, 4709, 5991, 14127, 33949, 101847, 553169, 1659507, 9403873, 28211619]

約数ペア:

[(1, 28211619), (3, 9403873), (17, 1659507), (51, 553169), (277, 101847), (831, 33949), (1997, 14127), (4709, 5991)]