28139589

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{2887}}^1$

素因数の和:2934

約数の個数: 24

約数和(自身を含む): 44013120

約数和(自身を除く): 15873531

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 2887, 3249, 8661, 9747, 25983, 54853, 77949, 164559, 493677, 1042207, 1481031, 3126621, 9379863, 28139589]

約数ペア:

[(1, 28139589), (3, 9379863), (9, 3126621), (19, 1481031), (27, 1042207), (57, 493677), (171, 164559), (361, 77949), (513, 54853), (1083, 25983), (2887, 9747), (3249, 8661)]