18117561

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{733}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 30440448

約数和(自身を除く): 12322887

約数列:

[1, 3, 7, 11, 21, 33, 77, 107, 231, 321, 733, 749, 1177, 2199, 2247, 3531, 5131, 8063, 8239, 15393, 24189, 24717, 56441, 78431, 169323, 235293, 549017, 862741, 1647051, 2588223, 6039187, 18117561]

約数ペア:

[(1, 18117561), (3, 6039187), (7, 2588223), (11, 1647051), (21, 862741), (33, 549017), (77, 235293), (107, 169323), (231, 78431), (321, 56441), (733, 24717), (749, 24189), (1177, 15393), (2199, 8239), (2247, 8063), (3531, 5131)]