28696491

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{4447}}^1$

素因数の和:4695

約数の個数: 16

約数和(自身を含む): 42700800

約数和(自身を除く): 14004309

約数列:

[1, 3, 9, 27, 239, 717, 2151, 4447, 6453, 13341, 40023, 120069, 1062833, 3188499, 9565497, 28696491]

約数ペア:

[(1, 28696491), (3, 9565497), (9, 3188499), (27, 1062833), (239, 120069), (717, 40023), (2151, 13341), (4447, 6453)]