161930907

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:881

約数の個数: 40

約数和(自身を含む): 252264672

約数和(自身を除く): 90333765

約数列:

[1, 3, 9, 27, 37, 71, 81, 111, 213, 333, 639, 761, 999, 1917, 2283, 2627, 2997, 5751, 6849, 7881, 20547, 23643, 28157, 54031, 61641, 70929, 84471, 162093, 212787, 253413, 486279, 760239, 1458837, 1999147, 2280717, 4376511, 5997441, 17992323, 53976969, 161930907]

約数ペア:

[(1, 161930907), (3, 53976969), (9, 17992323), (27, 5997441), (37, 4376511), (71, 2280717), (81, 1999147), (111, 1458837), (213, 760239), (333, 486279), (639, 253413), (761, 212787), (999, 162093), (1917, 84471), (2283, 70929), (2627, 61641), (2997, 54031), (5751, 28157), (6849, 23643), (7881, 20547)]