28185189

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21499}}^1$

素因数の和:21544

約数の個数: 16

約数和(自身を含む): 41280000

約数和(自身を除く): 13094811

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 21499, 64497, 408481, 494477, 1225443, 1483431, 9395063, 28185189]

約数ペア:

[(1, 28185189), (3, 9395063), (19, 1483431), (23, 1225443), (57, 494477), (69, 408481), (437, 64497), (1311, 21499)]