230870913

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 394555392

約数和(自身を除く): 163684479

約数列:

[1, 3, 7, 13, 21, 39, 43, 71, 91, 129, 213, 273, 277, 301, 497, 559, 831, 903, 923, 1491, 1677, 1939, 2769, 3053, 3601, 3913, 5817, 6461, 9159, 10803, 11739, 11911, 19383, 19667, 21371, 25207, 35733, 39689, 59001, 64113, 75621, 83377, 119067, 137669, 154843, 250131, 255671, 277823, 413007, 464529, 767013, 833469, 845681, 1083901, 1789697, 2537043, 3251703, 5369091, 5919767, 10993853, 17759301, 32981559, 76956971, 230870913]

約数ペア:

[(1, 230870913), (3, 76956971), (7, 32981559), (13, 17759301), (21, 10993853), (39, 5919767), (43, 5369091), (71, 3251703), (91, 2537043), (129, 1789697), (213, 1083901), (273, 845681), (277, 833469), (301, 767013), (497, 464529), (559, 413007), (831, 277823), (903, 255671), (923, 250131), (1491, 154843), (1677, 137669), (1939, 119067), (2769, 83377), (3053, 75621), (3601, 64113), (3913, 59001), (5817, 39689), (6461, 35733), (9159, 25207), (10803, 21371), (11739, 19667), (11911, 19383)]