28128933

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4603}}^1$

素因数の和:4713

約数の個数: 24

約数和(自身を含む): 46923968

約数和(自身を除く): 18795035

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 4603, 6111, 13809, 32221, 41427, 96663, 289989, 446491, 1339473, 3125437, 4018419, 9376311, 28128933]

約数ペア:

[(1, 28128933), (3, 9376311), (7, 4018419), (9, 3125437), (21, 1339473), (63, 446491), (97, 289989), (291, 96663), (679, 41427), (873, 32221), (2037, 13809), (4603, 6111)]