189356433

素因数分解:

$3^1\times 7^2\times {\mathrm{619}}^1\times {\mathrm{2081}}^1$

素因数の和:2717

約数の個数: 24

約数和(自身を含む): 294311520

約数和(自身を除く): 104955087

約数列:

[1, 3, 7, 21, 49, 147, 619, 1857, 2081, 4333, 6243, 12999, 14567, 30331, 43701, 90993, 101969, 305907, 1288139, 3864417, 9016973, 27050919, 63118811, 189356433]

約数ペア:

[(1, 189356433), (3, 63118811), (7, 27050919), (21, 9016973), (49, 3864417), (147, 1288139), (619, 305907), (1857, 101969), (2081, 90993), (4333, 43701), (6243, 30331), (12999, 14567)]