17921061

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{17939}}^1$

素因数の和:17985

約数の個数: 16

約数和(自身を含む): 27268800

約数和(自身を除く): 9347739

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 17939, 53817, 161451, 484353, 663743, 1991229, 5973687, 17921061]

約数ペア:

[(1, 17921061), (3, 5973687), (9, 1991229), (27, 663743), (37, 484353), (111, 161451), (333, 53817), (999, 17939)]