68431905

素因数分解:

$3^3\times 5^1\times {\mathrm{506903}}^1$

素因数の和:506917

約数の個数: 16

約数和(自身を含む): 121656960

約数和(自身を除く): 53225055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 506903, 1520709, 2534515, 4562127, 7603545, 13686381, 22810635, 68431905]

約数ペア:

[(1, 68431905), (3, 22810635), (5, 13686381), (9, 7603545), (15, 4562127), (27, 2534515), (45, 1520709), (135, 506903)]