203445999

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{19777}}^1$

素因数の和:19916

約数の個数: 20

約数和(自身を含む): 306321664

約数和(自身を除く): 102875665

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 19777, 59331, 177993, 533979, 1601937, 2511679, 7535037, 22605111, 67815333, 203445999]

約数ペア:

[(1, 203445999), (3, 67815333), (9, 22605111), (27, 7535037), (81, 2511679), (127, 1601937), (381, 533979), (1143, 177993), (3429, 59331), (10287, 19777)]