28949391

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 42828240

約数和(自身を除く): 13878849

約数列:

[1, 3, 9, 73, 139, 219, 317, 417, 657, 951, 1251, 2853, 10147, 23141, 30441, 44063, 69423, 91323, 132189, 208269, 396567, 3216599, 9649797, 28949391]

約数ペア:

[(1, 28949391), (3, 9649797), (9, 3216599), (73, 396567), (139, 208269), (219, 132189), (317, 91323), (417, 69423), (657, 44063), (951, 30441), (1251, 23141), (2853, 10147)]