128079

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 224640

約数和(自身を除く): 96561

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 107, 133, 171, 321, 399, 749, 963, 1197, 2033, 2247, 6099, 6741, 14231, 18297, 42693, 128079]

約数ペア:

[(1, 128079), (3, 42693), (7, 18297), (9, 14231), (19, 6741), (21, 6099), (57, 2247), (63, 2033), (107, 1197), (133, 963), (171, 749), (321, 399)]