78083991

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 114930816

約数和(自身を除く): 36846825

約数列:

[1, 3, 9, 103, 131, 309, 393, 643, 927, 1179, 1929, 5787, 13493, 40479, 66229, 84233, 121437, 198687, 252699, 596061, 758097, 8675999, 26027997, 78083991]

約数ペア:

[(1, 78083991), (3, 26027997), (9, 8675999), (103, 758097), (131, 596061), (309, 252699), (393, 198687), (643, 121437), (927, 84233), (1179, 66229), (1929, 40479), (5787, 13493)]