25264143

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:297

約数の個数: 40

約数和(自身を含む): 40144896

約数和(自身を除く): 14880753

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 191, 207, 213, 573, 621, 639, 1633, 1719, 1863, 1917, 4393, 4899, 5157, 5751, 13179, 13561, 14697, 15471, 39537, 40683, 44091, 118611, 122049, 132273, 311903, 355833, 366147, 935709, 1098441, 2807127, 8421381, 25264143]

約数ペア:

[(1, 25264143), (3, 8421381), (9, 2807127), (23, 1098441), (27, 935709), (69, 366147), (71, 355833), (81, 311903), (191, 132273), (207, 122049), (213, 118611), (573, 44091), (621, 40683), (639, 39537), (1633, 15471), (1719, 14697), (1863, 13561), (1917, 13179), (4393, 5751), (4899, 5157)]