215774817

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1\times {\mathrm{2971}}^1$

素因数の和:3580

約数の個数: 16

約数和(自身を含む): 295012608

約数和(自身を除く): 79237791

約数列:

[1, 3, 43, 129, 563, 1689, 2971, 8913, 24209, 72627, 127753, 383259, 1672673, 5018019, 71924939, 215774817]

約数ペア:

[(1, 215774817), (3, 71924939), (43, 5018019), (129, 1672673), (563, 383259), (1689, 127753), (2971, 72627), (8913, 24209)]