28268307

素因数分解:

$3^2\times {\mathrm{557}}^1\times {\mathrm{5639}}^1$

素因数の和:6202

約数の個数: 12

約数和(自身を含む): 40912560

約数和(自身を除く): 12644253

約数列:

[1, 3, 9, 557, 1671, 5013, 5639, 16917, 50751, 3140923, 9422769, 28268307]

約数ペア:

[(1, 28268307), (3, 9422769), (9, 3140923), (557, 50751), (1671, 16917), (5013, 5639)]