12938481

素因数分解:

$3^3\times {\mathrm{313}}^1\times {\mathrm{1531}}^1$

素因数の和:1853

約数の個数: 16

約数和(自身を含む): 19241920

約数和(自身を除く): 6303439

約数列:

[1, 3, 9, 27, 313, 939, 1531, 2817, 4593, 8451, 13779, 41337, 479203, 1437609, 4312827, 12938481]

約数ペア:

[(1, 12938481), (3, 4312827), (9, 1437609), (27, 479203), (313, 41337), (939, 13779), (1531, 8451), (2817, 4593)]