28831881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43487}}^1$

素因数の和:43520

約数の個数: 16

約数和(自身を含む): 43835904

約数和(自身を除く): 15004023

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 43487, 130461, 565331, 739279, 1695993, 2217837, 9610627, 28831881]

約数ペア:

[(1, 28831881), (3, 9610627), (13, 2217837), (17, 1695993), (39, 739279), (51, 565331), (221, 130461), (663, 43487)]