2687181

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3121}}^1$

素因数の和:3172

約数の個数: 16

約数和(自身を含む): 4195968

約数和(自身を除く): 1508787

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 3121, 9363, 21847, 65541, 127961, 383883, 895727, 2687181]

約数ペア:

[(1, 2687181), (3, 895727), (7, 383883), (21, 127961), (41, 65541), (123, 21847), (287, 9363), (861, 3121)]