31388007

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10753}}^1$

素因数の和:10902

約数の個数: 16

約数和(自身を含む): 48177920

約数和(自身を除く): 16789913

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 10753, 32259, 75271, 225813, 1494667, 4484001, 10462669, 31388007]

約数ペア:

[(1, 31388007), (3, 10462669), (7, 4484001), (21, 1494667), (139, 225813), (417, 75271), (973, 32259), (2919, 10753)]