291217887

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{4793}}^1$

素因数の和:4999

約数の個数: 24

約数和(自身を含む): 433262544

約数和(自身を除く): 142044657

約数列:

[1, 3, 9, 43, 129, 157, 387, 471, 1413, 4793, 6751, 14379, 20253, 43137, 60759, 206099, 618297, 752501, 1854891, 2257503, 6772509, 32357543, 97072629, 291217887]

約数ペア:

[(1, 291217887), (3, 97072629), (9, 32357543), (43, 6772509), (129, 2257503), (157, 1854891), (387, 752501), (471, 618297), (1413, 206099), (4793, 60759), (6751, 43137), (14379, 20253)]