15216891

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1117}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 21465600

約数和(自身を除く): 6248709

約数列:

[1, 3, 19, 57, 239, 717, 1117, 3351, 4541, 13623, 21223, 63669, 266963, 800889, 5072297, 15216891]

約数ペア:

[(1, 15216891), (3, 5072297), (19, 800889), (57, 266963), (239, 63669), (717, 21223), (1117, 13623), (3351, 4541)]