287334579

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{15391}}^1$

素因数の和:15535

約数の個数: 24

約数和(自身を含む): 449200128

約数和(自身を除く): 161865549

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 2667, 6223, 15391, 18669, 46173, 107737, 323211, 754159, 1954657, 2262477, 5863971, 13682599, 41047797, 95778193, 287334579]

約数ペア:

[(1, 287334579), (3, 95778193), (7, 41047797), (21, 13682599), (49, 5863971), (127, 2262477), (147, 1954657), (381, 754159), (889, 323211), (2667, 107737), (6223, 46173), (15391, 18669)]