200912721

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{3547}}^1$

素因数の和:3868

約数の個数: 16

約数和(自身を含む): 272486400

約数和(自身を除く): 71573679

約数列:

[1, 3, 79, 237, 239, 717, 3547, 10641, 18881, 56643, 280213, 840639, 847733, 2543199, 66970907, 200912721]

約数ペア:

[(1, 200912721), (3, 66970907), (79, 2543199), (237, 847733), (239, 840639), (717, 280213), (3547, 56643), (10641, 18881)]