15678009

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{20023}}^1$

素因数の和:20061

約数の個数: 16

約数和(自身を含む): 24028800

約数和(自身を除く): 8350791

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 20023, 60069, 180207, 540621, 580667, 1742001, 5226003, 15678009]

約数ペア:

[(1, 15678009), (3, 5226003), (9, 1742001), (27, 580667), (29, 540621), (87, 180207), (261, 60069), (783, 20023)]