28126257

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4639}}^1$

素因数の和:4732

約数の個数: 16

約数和(自身を含む): 39198720

約数和(自身を除く): 11072463

約数列:

[1, 3, 43, 47, 129, 141, 2021, 4639, 6063, 13917, 199477, 218033, 598431, 654099, 9375419, 28126257]

約数ペア:

[(1, 28126257), (3, 9375419), (43, 654099), (47, 598431), (129, 218033), (141, 199477), (2021, 13917), (4639, 6063)]