72890091

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 111974400

約数和(自身を除く): 39084309

約数列:

[1, 3, 9, 27, 47, 71, 141, 213, 423, 639, 809, 1269, 1917, 2427, 3337, 7281, 10011, 21843, 30033, 38023, 57439, 90099, 114069, 172317, 342207, 516951, 1026621, 1550853, 2699633, 8098899, 24296697, 72890091]

約数ペア:

[(1, 72890091), (3, 24296697), (9, 8098899), (27, 2699633), (47, 1550853), (71, 1026621), (141, 516951), (213, 342207), (423, 172317), (639, 114069), (809, 90099), (1269, 57439), (1917, 38023), (2427, 30033), (3337, 21843), (7281, 10011)]