8221155

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3943}}^1$

素因数の和:4090

約数の個数: 16

約数和(自身を含む): 13251840

約数和(自身を除く): 5030685

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 3943, 11829, 19715, 59145, 548077, 1644231, 2740385, 8221155]

約数ペア:

[(1, 8221155), (3, 2740385), (5, 1644231), (15, 548077), (139, 59145), (417, 19715), (695, 11829), (2085, 3943)]