251796279

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{91529}}^1$

素因数の和:91670

約数の個数: 16

約数和(自身を含む): 386622720

約数和(自身を除く): 134826441

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 91529, 274587, 640703, 1922109, 11990299, 35970897, 83932093, 251796279]

約数ペア:

[(1, 251796279), (3, 83932093), (7, 35970897), (21, 11990299), (131, 1922109), (393, 640703), (917, 274587), (2751, 91529)]