78878799

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1892

約数の個数: 32

約数和(自身を含む): 123724800

約数和(自身を除く): 44846001

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 621, 639, 1633, 1789, 1917, 4899, 5367, 14697, 16101, 41147, 44091, 48303, 123441, 127019, 370323, 381057, 1110969, 1143171, 2921437, 3429513, 8764311, 26292933, 78878799]

約数ペア:

[(1, 78878799), (3, 26292933), (9, 8764311), (23, 3429513), (27, 2921437), (69, 1143171), (71, 1110969), (207, 381057), (213, 370323), (621, 127019), (639, 123441), (1633, 48303), (1789, 44091), (1917, 41147), (4899, 16101), (5367, 14697)]