39979497

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{4423}}^1$

素因数の和:4580

約数の個数: 16

約数和(自身を含む): 56060928

約数和(自身を除く): 16081431

約数列:

[1, 3, 23, 69, 131, 393, 3013, 4423, 9039, 13269, 101729, 305187, 579413, 1738239, 13326499, 39979497]

約数ペア:

[(1, 39979497), (3, 13326499), (23, 1738239), (69, 579413), (131, 305187), (393, 101729), (3013, 13269), (4423, 9039)]