13155387

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16931}}^1$

素因数の和:16978

約数の個数: 16

約数和(自身を含む): 20589312

約数和(自身を除く): 7433925

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 16931, 50793, 118517, 355551, 626447, 1879341, 4385129, 13155387]

約数ペア:

[(1, 13155387), (3, 4385129), (7, 1879341), (21, 626447), (37, 355551), (111, 118517), (259, 50793), (777, 16931)]