127796109

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{320291}}^1$

素因数の和:320320

約数の個数: 16

約数和(自身を含む): 204986880

約数和(自身を除く): 77190771

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 320291, 960873, 2242037, 6085529, 6726111, 18256587, 42598703, 127796109]

約数ペア:

[(1, 127796109), (3, 42598703), (7, 18256587), (19, 6726111), (21, 6085529), (57, 2242037), (133, 960873), (399, 320291)]