12782991

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1327}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 19441920

約数和(自身を除く): 6658929

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 1327, 3211, 3981, 9633, 17251, 25213, 51753, 75639, 224263, 327769, 672789, 983307, 4260997, 12782991]

約数ペア:

[(1, 12782991), (3, 4260997), (13, 983307), (19, 672789), (39, 327769), (57, 224263), (169, 75639), (247, 51753), (507, 25213), (741, 17251), (1327, 9633), (3211, 3981)]