2987997

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 4389120

約数和(自身を除く): 1401123

約数列:

[1, 3, 19, 31, 57, 89, 93, 267, 361, 589, 1083, 1691, 1767, 2759, 5073, 8277, 11191, 32129, 33573, 52421, 96387, 157263, 995999, 2987997]

約数ペア:

[(1, 2987997), (3, 995999), (19, 157263), (31, 96387), (57, 52421), (89, 33573), (93, 32129), (267, 11191), (361, 8277), (589, 5073), (1083, 2759), (1691, 1767)]