25169781

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13171}}^1$

素因数の和:13201

約数の個数: 24

約数和(自身を含む): 42045024

約数和(自身を除く): 16875243

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 13171, 39513, 92197, 171223, 276591, 513669, 645379, 1198561, 1936137, 3595683, 8389927, 25169781]

約数ペア:

[(1, 25169781), (3, 8389927), (7, 3595683), (13, 1936137), (21, 1198561), (39, 645379), (49, 513669), (91, 276591), (147, 171223), (273, 92197), (637, 39513), (1911, 13171)]