253210167

素因数分解:

$3^2\times 7^1\times {\mathrm{787}}^1\times {\mathrm{5107}}^1$

素因数の和:5907

約数の個数: 24

約数和(自身を含む): 418610816

約数和(自身を除く): 165400649

約数列:

[1, 3, 7, 9, 21, 63, 787, 2361, 5107, 5509, 7083, 15321, 16527, 35749, 45963, 49581, 107247, 321741, 4019209, 12057627, 28134463, 36172881, 84403389, 253210167]

約数ペア:

[(1, 253210167), (3, 84403389), (7, 36172881), (9, 28134463), (21, 12057627), (63, 4019209), (787, 321741), (2361, 107247), (5107, 49581), (5509, 45963), (7083, 35749), (15321, 16527)]