127907991

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1073

約数の個数: 40

約数和(自身を含む): 202397184

約数和(自身を除く): 74489193

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 207, 213, 621, 639, 967, 1633, 1863, 1917, 2901, 4899, 5751, 8703, 14697, 22241, 26109, 44091, 66723, 68657, 78327, 132273, 200169, 205971, 600507, 617913, 1579111, 1801521, 1853739, 4737333, 5561217, 14211999, 42635997, 127907991]

約数ペア:

[(1, 127907991), (3, 42635997), (9, 14211999), (23, 5561217), (27, 4737333), (69, 1853739), (71, 1801521), (81, 1579111), (207, 617913), (213, 600507), (621, 205971), (639, 200169), (967, 132273), (1633, 78327), (1863, 68657), (1917, 66723), (2901, 44091), (4899, 26109), (5751, 22241), (8703, 14697)]