291209217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{30983}}^1$

素因数の和:31240

約数の個数: 16

約数和(自身を含む): 419895168

約数和(自身を除く): 128685951

約数列:

[1, 3, 13, 39, 241, 723, 3133, 9399, 30983, 92949, 402779, 1208337, 7466903, 22400709, 97069739, 291209217]

約数ペア:

[(1, 291209217), (3, 97069739), (13, 22400709), (39, 7466903), (241, 1208337), (723, 402779), (3133, 92949), (9399, 30983)]