205175997

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{719}}^1$

素因数の和:1015

約数の個数: 40

約数和(自身を含む): 331752960

約数和(自身を除く): 126576963

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 271, 351, 719, 813, 1053, 2157, 2439, 3523, 6471, 7317, 9347, 10569, 19413, 21951, 28041, 31707, 58239, 84123, 95121, 194849, 252369, 285363, 584547, 757107, 1753641, 2533037, 5260923, 7599111, 15782769, 22797333, 68391999, 205175997]

約数ペア:

[(1, 205175997), (3, 68391999), (9, 22797333), (13, 15782769), (27, 7599111), (39, 5260923), (81, 2533037), (117, 1753641), (271, 757107), (351, 584547), (719, 285363), (813, 252369), (1053, 194849), (2157, 95121), (2439, 84123), (3523, 58239), (6471, 31707), (7317, 28041), (9347, 21951), (10569, 19413)]