28969491

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 39391488

約数和(自身を除く): 10421997

約数列:

[1, 3, 71, 213, 277, 491, 831, 1473, 19667, 34861, 59001, 104583, 136007, 408021, 9656497, 28969491]

約数ペア:

[(1, 28969491), (3, 9656497), (71, 408021), (213, 136007), (277, 104583), (491, 59001), (831, 34861), (1473, 19667)]