78605559

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{42193}}^1$

素因数の和:42228

約数の個数: 20

約数和(自身を含む): 122531376

約数和(自身を除く): 43925817

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 42193, 126579, 379737, 970439, 1139211, 2911317, 3417633, 8733951, 26201853, 78605559]

約数ペア:

[(1, 78605559), (3, 26201853), (9, 8733951), (23, 3417633), (27, 2911317), (69, 1139211), (81, 970439), (207, 379737), (621, 126579), (1863, 42193)]