2166891

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 16

約数和(自身を含む): 3010560

約数和(自身を除く): 843669

約数列:

[1, 3, 41, 79, 123, 223, 237, 669, 3239, 9143, 9717, 17617, 27429, 52851, 722297, 2166891]

約数ペア:

[(1, 2166891), (3, 722297), (41, 52851), (79, 27429), (123, 17617), (223, 9717), (237, 9143), (669, 3239)]