28005531

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{503}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 38110464

約数和(自身を除く): 10104933

約数列:

[1, 3, 67, 201, 277, 503, 831, 1509, 18559, 33701, 55677, 101103, 139331, 417993, 9335177, 28005531]

約数ペア:

[(1, 28005531), (3, 9335177), (67, 417993), (201, 139331), (277, 101103), (503, 55677), (831, 33701), (1509, 18559)]