16138521

素因数分解:

$3^4\times 7^1\times {\mathrm{28463}}^1$

素因数の和:28482

約数の個数: 20

約数和(自身を含む): 27553152

約数和(自身を除く): 11414631

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 28463, 85389, 199241, 256167, 597723, 768501, 1793169, 2305503, 5379507, 16138521]

約数ペア:

[(1, 16138521), (3, 5379507), (7, 2305503), (9, 1793169), (21, 768501), (27, 597723), (63, 256167), (81, 199241), (189, 85389), (567, 28463)]