213075681

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{1303}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 350515200

約数和(自身を除く): 137439519

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 599, 1303, 1797, 3909, 4193, 7787, 9121, 12579, 16939, 23361, 27363, 50817, 54509, 118573, 163527, 355719, 780497, 2341491, 5463479, 10146461, 16390437, 30439383, 71025227, 213075681]

約数ペア:

[(1, 213075681), (3, 71025227), (7, 30439383), (13, 16390437), (21, 10146461), (39, 5463479), (91, 2341491), (273, 780497), (599, 355719), (1303, 163527), (1797, 118573), (3909, 54509), (4193, 50817), (7787, 27363), (9121, 23361), (12579, 16939)]