28819161

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19889}}^1$

素因数の和:19925

約数の個数: 24

約数和(自身を含む): 49645440

約数和(自身を除く): 20826279

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19889, 59667, 139223, 179001, 417669, 457447, 1253007, 1372341, 3202129, 4117023, 9606387, 28819161]

約数ペア:

[(1, 28819161), (3, 9606387), (7, 4117023), (9, 3202129), (21, 1372341), (23, 1253007), (63, 457447), (69, 417669), (161, 179001), (207, 139223), (483, 59667), (1449, 19889)]