28644021

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1481}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 47471424

約数和(自身を除く): 18827403

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 1481, 2149, 2763, 4443, 6447, 10367, 13329, 19341, 31101, 93303, 454667, 1364001, 3182669, 4092003, 9548007, 28644021]

約数ペア:

[(1, 28644021), (3, 9548007), (7, 4092003), (9, 3182669), (21, 1364001), (63, 454667), (307, 93303), (921, 31101), (1481, 19341), (2149, 13329), (2763, 10367), (4443, 6447)]