278312499

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{4127}}^1$

素因数の和:4319

約数の個数: 24

約数和(自身を含む): 412139520

約数和(自身を除く): 133827021

約数列:

[1, 3, 9, 59, 127, 177, 381, 531, 1143, 4127, 7493, 12381, 22479, 37143, 67437, 243493, 524129, 730479, 1572387, 2191437, 4717161, 30923611, 92770833, 278312499]

約数ペア:

[(1, 278312499), (3, 92770833), (9, 30923611), (59, 4717161), (127, 2191437), (177, 1572387), (381, 730479), (531, 524129), (1143, 243493), (4127, 67437), (7493, 37143), (12381, 22479)]