39978255

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{115879}}^1$

素因数の和:115910

約数の個数: 16

約数和(自身を含む): 66746880

約数和(自身を除く): 26768625

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 115879, 347637, 579395, 1738185, 2665217, 7995651, 13326085, 39978255]

約数ペア:

[(1, 39978255), (3, 13326085), (5, 7995651), (15, 2665217), (23, 1738185), (69, 579395), (115, 347637), (345, 115879)]