189386715

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 390044160

約数和(自身を除く): 200657445

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 49, 51, 69, 85, 105, 115, 119, 147, 161, 245, 255, 345, 357, 391, 483, 595, 659, 735, 805, 833, 1127, 1173, 1785, 1955, 1977, 2415, 2499, 2737, 3295, 3381, 4165, 4613, 5635, 5865, 8211, 9885, 11203, 12495, 13685, 13839, 15157, 16905, 19159, 23065, 32291, 33609, 41055, 45471, 56015, 57477, 69195, 75785, 78421, 95795, 96873, 106099, 161455, 168045, 227355, 235263, 257669, 287385, 318297, 392105, 484365, 530495, 548947, 742693, 773007, 1176315, 1288345, 1591485, 1646841, 1803683, 2228079, 2744735, 3713465, 3865035, 5411049, 8234205, 9018415, 11140395, 12625781, 27055245, 37877343, 63128905, 189386715]

約数ペア:

[(1, 189386715), (3, 63128905), (5, 37877343), (7, 27055245), (15, 12625781), (17, 11140395), (21, 9018415), (23, 8234205), (35, 5411049), (49, 3865035), (51, 3713465), (69, 2744735), (85, 2228079), (105, 1803683), (115, 1646841), (119, 1591485), (147, 1288345), (161, 1176315), (245, 773007), (255, 742693), (345, 548947), (357, 530495), (391, 484365), (483, 392105), (595, 318297), (659, 287385), (735, 257669), (805, 235263), (833, 227355), (1127, 168045), (1173, 161455), (1785, 106099), (1955, 96873), (1977, 95795), (2415, 78421), (2499, 75785), (2737, 69195), (3295, 57477), (3381, 56015), (4165, 45471), (4613, 41055), (5635, 33609), (5865, 32291), (8211, 23065), (9885, 19159), (11203, 16905), (12495, 15157), (13685, 13839)]