1980915

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3221}}^1$

素因数の和:3270

約数の個数: 16

約数和(自身を含む): 3247776

約数和(自身を除く): 1266861

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 3221, 9663, 16105, 48315, 132061, 396183, 660305, 1980915]

約数ペア:

[(1, 1980915), (3, 660305), (5, 396183), (15, 132061), (41, 48315), (123, 16105), (205, 9663), (615, 3221)]