13420715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3169}}^1$

素因数の和:3203

約数の個数: 24

約数和(自身を含む): 20237280

約数和(自身を除く): 6816565

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 3169, 4235, 15845, 22183, 34859, 110915, 174295, 244013, 383449, 1220065, 1917245, 2684143, 13420715]

約数ペア:

[(1, 13420715), (5, 2684143), (7, 1917245), (11, 1220065), (35, 383449), (55, 244013), (77, 174295), (121, 110915), (385, 34859), (605, 22183), (847, 15845), (3169, 4235)]