78388047

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 119208960

約数和(自身を除く): 40820913

約数列:

[1, 3, 9, 27, 71, 103, 213, 309, 397, 639, 927, 1191, 1917, 2781, 3573, 7313, 10719, 21939, 28187, 40891, 65817, 84561, 122673, 197451, 253683, 368019, 761049, 1104057, 2903261, 8709783, 26129349, 78388047]

約数ペア:

[(1, 78388047), (3, 26129349), (9, 8709783), (27, 2903261), (71, 1104057), (103, 761049), (213, 368019), (309, 253683), (397, 197451), (639, 122673), (927, 84561), (1191, 65817), (1917, 40891), (2781, 28187), (3573, 21939), (7313, 10719)]