28347903

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 41893488

約数和(自身を除く): 13545585

約数列:

[1, 3, 9, 83, 137, 249, 277, 411, 747, 831, 1233, 2493, 11371, 22991, 34113, 37949, 68973, 102339, 113847, 206919, 341541, 3149767, 9449301, 28347903]

約数ペア:

[(1, 28347903), (3, 9449301), (9, 3149767), (83, 341541), (137, 206919), (249, 113847), (277, 102339), (411, 68973), (747, 37949), (831, 34113), (1233, 22991), (2493, 11371)]