78909015

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 128673216

約数和(自身を除く): 49764201

約数列:

[1, 3, 5, 15, 97, 193, 281, 291, 485, 579, 843, 965, 1405, 1455, 2895, 4215, 18721, 27257, 54233, 56163, 81771, 93605, 136285, 162699, 271165, 280815, 408855, 813495, 5260601, 15781803, 26303005, 78909015]

約数ペア:

[(1, 78909015), (3, 26303005), (5, 15781803), (15, 5260601), (97, 813495), (193, 408855), (281, 280815), (291, 271165), (485, 162699), (579, 136285), (843, 93605), (965, 81771), (1405, 56163), (1455, 54233), (2895, 27257), (4215, 18721)]