1990642257

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{2903}}^1$

素因数の和:3254

約数の個数: 32

約数和(自身を含む): 2989958400

約数和(自身を除く): 999316143

約数列:

[1, 3, 9, 27, 109, 233, 327, 699, 981, 2097, 2903, 2943, 6291, 8709, 25397, 26127, 76191, 78381, 228573, 316427, 676399, 685719, 949281, 2029197, 2847843, 6087591, 8543529, 18262773, 73727491, 221182473, 663547419, 1990642257]

約数ペア:

[(1, 1990642257), (3, 663547419), (9, 221182473), (27, 73727491), (109, 18262773), (233, 8543529), (327, 6087591), (699, 2847843), (981, 2029197), (2097, 949281), (2903, 685719), (2943, 676399), (6291, 316427), (8709, 228573), (25397, 78381), (26127, 76191)]