28565019

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7433}}^1$

素因数の和:7507

約数の個数: 24

約数和(自身を含む): 47934432

約数和(自身を除く): 19369413

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 7433, 22299, 52031, 66897, 156093, 453413, 468279, 1360239, 3173891, 4080717, 9521673, 28565019]

約数ペア:

[(1, 28565019), (3, 9521673), (7, 4080717), (9, 3173891), (21, 1360239), (61, 468279), (63, 453413), (183, 156093), (427, 66897), (549, 52031), (1281, 22299), (3843, 7433)]