252128499

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631901}}^1$

素因数の和:631930

約数の個数: 16

約数和(自身を含む): 404417280

約数和(自身を除く): 152288781

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 631901, 1895703, 4423307, 12006119, 13269921, 36018357, 84042833, 252128499]

約数ペア:

[(1, 252128499), (3, 84042833), (7, 36018357), (19, 13269921), (21, 12006119), (57, 4423307), (133, 1895703), (399, 631901)]