79739991

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{21247}}^1$

素因数の和:21395

約数の個数: 16

約数和(自身を含む): 118988800

約数和(自身を除く): 39248809

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 21247, 63741, 191223, 573669, 2953333, 8859999, 26579997, 79739991]

約数ペア:

[(1, 79739991), (3, 26579997), (9, 8859999), (27, 2953333), (139, 573669), (417, 191223), (1251, 63741), (3753, 21247)]