12813999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 19906560

約数和(自身を除く): 7092561

約数列:

[1, 3, 11, 19, 33, 57, 107, 191, 209, 321, 573, 627, 1177, 2033, 2101, 3531, 3629, 6099, 6303, 10887, 20437, 22363, 39919, 61311, 67089, 119757, 224807, 388303, 674421, 1164909, 4271333, 12813999]

約数ペア:

[(1, 12813999), (3, 4271333), (11, 1164909), (19, 674421), (33, 388303), (57, 224807), (107, 119757), (191, 67089), (209, 61311), (321, 39919), (573, 22363), (627, 20437), (1177, 10887), (2033, 6303), (2101, 6099), (3531, 3629)]