2909151

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 4887584

約数和(自身を除く): 1978433

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 757, 1281, 2271, 3843, 5299, 6813, 15897, 46177, 47691, 138531, 323239, 415593, 969717, 2909151]

約数ペア:

[(1, 2909151), (3, 969717), (7, 415593), (9, 323239), (21, 138531), (61, 47691), (63, 46177), (183, 15897), (427, 6813), (549, 5299), (757, 3843), (1281, 2271)]