209399085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1579}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 416058240

約数和(自身を除く): 206659155

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 421, 1263, 1579, 2105, 2947, 3789, 4737, 6315, 7895, 8841, 11053, 14211, 14735, 18945, 23685, 26523, 33159, 44205, 55265, 71055, 99477, 132615, 165795, 497385, 664759, 1994277, 3323795, 4653313, 5982831, 9971385, 13959939, 23266565, 29914155, 41879817, 69799695, 209399085]

約数ペア:

[(1, 209399085), (3, 69799695), (5, 41879817), (7, 29914155), (9, 23266565), (15, 13959939), (21, 9971385), (35, 5982831), (45, 4653313), (63, 3323795), (105, 1994277), (315, 664759), (421, 497385), (1263, 165795), (1579, 132615), (2105, 99477), (2947, 71055), (3789, 55265), (4737, 44205), (6315, 33159), (7895, 26523), (8841, 23685), (11053, 18945), (14211, 14735)]