28308777

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4391}}^1$

素因数の和:4708

約数の個数: 16

約数和(自身を含む): 43287552

約数和(自身を除く): 14978775

約数列:

[1, 3, 7, 21, 307, 921, 2149, 4391, 6447, 13173, 30737, 92211, 1348037, 4044111, 9436259, 28308777]

約数ペア:

[(1, 28308777), (3, 9436259), (7, 4044111), (21, 1348037), (307, 92211), (921, 30737), (2149, 13173), (4391, 6447)]