205038405

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 192

約数和(自身を含む): 463795200

約数和(自身を除く): 258756795

約数列:

[1, 3, 5, 9, 11, 13, 15, 19, 27, 33, 39, 43, 45, 55, 57, 65, 95, 99, 117, 129, 135, 143, 165, 169, 171, 195, 209, 215, 247, 285, 297, 351, 387, 429, 473, 495, 507, 513, 559, 585, 627, 645, 715, 741, 817, 845, 855, 1045, 1161, 1235, 1287, 1419, 1485, 1521, 1677, 1755, 1859, 1881, 1935, 2145, 2223, 2365, 2451, 2535, 2565, 2717, 2795, 3135, 3211, 3705, 3861, 4085, 4257, 4563, 5031, 5577, 5643, 5805, 6149, 6435, 6669, 7095, 7267, 7353, 7605, 8151, 8385, 8987, 9295, 9405, 9633, 10621, 11115, 12255, 12771, 13585, 15093, 16055, 16731, 18447, 19305, 21285, 21801, 22059, 22815, 24453, 25155, 26961, 27885, 28215, 28899, 30745, 31863, 33345, 35321, 36335, 36765, 40755, 44935, 48165, 50193, 53105, 55341, 63855, 65403, 73359, 75465, 79937, 80883, 83655, 86697, 92235, 95589, 105963, 109005, 110295, 116831, 122265, 134805, 138073, 144495, 159315, 166023, 176605, 196209, 239811, 242649, 250965, 276705, 286767, 317889, 327015, 350493, 366795, 399685, 404415, 414219, 433485, 477945, 529815, 584155, 690365, 719433, 830115, 953667, 981045, 1051479, 1199055, 1213245, 1242657, 1433835, 1518803, 1589445, 1752465, 2071095, 2158299, 3154437, 3597165, 3727971, 4556409, 4768335, 5257395, 6213285, 7594015, 10791495, 13669227, 15772185, 18639855, 22782045, 41007681, 68346135, 205038405]

約数ペア:

[(1, 205038405), (3, 68346135), (5, 41007681), (9, 22782045), (11, 18639855), (13, 15772185), (15, 13669227), (19, 10791495), (27, 7594015), (33, 6213285), (39, 5257395), (43, 4768335), (45, 4556409), (55, 3727971), (57, 3597165), (65, 3154437), (95, 2158299), (99, 2071095), (117, 1752465), (129, 1589445), (135, 1518803), (143, 1433835), (165, 1242657), (169, 1213245), (171, 1199055), (195, 1051479), (209, 981045), (215, 953667), (247, 830115), (285, 719433), (297, 690365), (351, 584155), (387, 529815), (429, 477945), (473, 433485), (495, 414219), (507, 404415), (513, 399685), (559, 366795), (585, 350493), (627, 327015), (645, 317889), (715, 286767), (741, 276705), (817, 250965), (845, 242649), (855, 239811), (1045, 196209), (1161, 176605), (1235, 166023), (1287, 159315), (1419, 144495), (1485, 138073), (1521, 134805), (1677, 122265), (1755, 116831), (1859, 110295), (1881, 109005), (1935, 105963), (2145, 95589), (2223, 92235), (2365, 86697), (2451, 83655), (2535, 80883), (2565, 79937), (2717, 75465), (2795, 73359), (3135, 65403), (3211, 63855), (3705, 55341), (3861, 53105), (4085, 50193), (4257, 48165), (4563, 44935), (5031, 40755), (5577, 36765), (5643, 36335), (5805, 35321), (6149, 33345), (6435, 31863), (6669, 30745), (7095, 28899), (7267, 28215), (7353, 27885), (7605, 26961), (8151, 25155), (8385, 24453), (8987, 22815), (9295, 22059), (9405, 21801), (9633, 21285), (10621, 19305), (11115, 18447), (12255, 16731), (12771, 16055), (13585, 15093)]