27956825

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{509}}^1$

素因数の和:558

約数の個数: 24

約数和(自身を含む): 37627800

約数和(自身を除く): 9670975

約数列:

[1, 5, 13, 25, 65, 169, 325, 509, 845, 2197, 2545, 4225, 6617, 10985, 12725, 33085, 54925, 86021, 165425, 430105, 1118273, 2150525, 5591365, 27956825]

約数ペア:

[(1, 27956825), (5, 5591365), (13, 2150525), (25, 1118273), (65, 430105), (169, 165425), (325, 86021), (509, 54925), (845, 33085), (2197, 12725), (2545, 10985), (4225, 6617)]