2581089

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 3980160

約数和(自身を除く): 1399071

約数列:

[1, 3, 7, 21, 89, 267, 623, 1381, 1869, 4143, 9667, 29001, 122909, 368727, 860363, 2581089]

約数ペア:

[(1, 2581089), (3, 860363), (7, 368727), (21, 122909), (89, 29001), (267, 9667), (623, 4143), (1381, 1869)]