201392991

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^2\times {\mathrm{193}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 309479664

約数和(自身を除く): 108086673

約数列:

[1, 3, 9, 23, 69, 71, 193, 207, 213, 579, 639, 1633, 1737, 4439, 4899, 5041, 13317, 13703, 14697, 15123, 39951, 41109, 45369, 115943, 123327, 315169, 347829, 945507, 972913, 1043487, 2836521, 2918739, 8756217, 22376999, 67130997, 201392991]

約数ペア:

[(1, 201392991), (3, 67130997), (9, 22376999), (23, 8756217), (69, 2918739), (71, 2836521), (193, 1043487), (207, 972913), (213, 945507), (579, 347829), (639, 315169), (1633, 123327), (1737, 115943), (4439, 45369), (4899, 41109), (5041, 39951), (13317, 15123), (13703, 14697)]