1280451459

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{438661}}^1$

素因数の和:438810

約数の個数: 16

約数和(自身を含む): 1965205760

約数和(自身を除く): 684754301

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 438661, 1315983, 3070627, 9211881, 60973879, 182921637, 426817153, 1280451459]

約数ペア:

[(1, 1280451459), (3, 426817153), (7, 182921637), (21, 60973879), (139, 9211881), (417, 3070627), (973, 1315983), (2919, 438661)]