13400709

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37537}}^1$

素因数の和:37564

約数の個数: 16

約数和(自身を含む): 21621888

約数和(自身を除く): 8221179

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 37537, 112611, 262759, 638129, 788277, 1914387, 4466903, 13400709]

約数ペア:

[(1, 13400709), (3, 4466903), (7, 1914387), (17, 788277), (21, 638129), (51, 262759), (119, 112611), (357, 37537)]