3857217

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 6451200

約数和(自身を除く): 2593983

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 199, 213, 273, 497, 597, 923, 1393, 1491, 2587, 2769, 4179, 6461, 7761, 14129, 18109, 19383, 42387, 54327, 98903, 183677, 296709, 551031, 1285739, 3857217]

約数ペア:

[(1, 3857217), (3, 1285739), (7, 551031), (13, 296709), (21, 183677), (39, 98903), (71, 54327), (91, 42387), (199, 19383), (213, 18109), (273, 14129), (497, 7761), (597, 6461), (923, 4179), (1393, 2769), (1491, 2587)]