28261521

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{5783}}^1$

素因数の和:5973

約数の個数: 16

約数和(自身を含む): 42107520

約数和(自身を除く): 13845999

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4887, 5783, 17349, 52047, 156141, 1046723, 3140169, 9420507, 28261521]

約数ペア:

[(1, 28261521), (3, 9420507), (9, 3140169), (27, 1046723), (181, 156141), (543, 52047), (1629, 17349), (4887, 5783)]