681525495

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:299

約数の個数: 160

約数和(自身を含む): 1505433600

約数和(自身を除く): 823908105

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 79, 81, 85, 105, 119, 135, 153, 179, 189, 237, 255, 315, 357, 395, 405, 459, 537, 553, 567, 595, 711, 765, 895, 945, 1071, 1185, 1253, 1343, 1377, 1611, 1659, 1785, 2133, 2295, 2685, 2765, 2835, 3043, 3213, 3555, 3759, 4029, 4833, 4977, 5355, 6265, 6399, 6715, 6885, 8055, 8295, 9129, 9401, 9639, 10665, 11277, 12087, 14141, 14499, 14931, 15215, 16065, 18795, 20145, 21301, 24165, 24885, 27387, 28203, 31995, 33831, 36261, 42423, 44793, 45645, 47005, 48195, 56385, 60435, 63903, 70705, 72495, 74655, 82161, 84609, 98987, 101493, 106505, 108783, 127269, 136935, 141015, 169155, 181305, 191709, 212115, 223965, 240397, 246483, 253827, 296961, 319515, 381807, 410805, 423045, 494935, 507465, 543915, 575127, 636345, 721191, 761481, 890883, 958545, 1145421, 1201985, 1232415, 1269135, 1484805, 1682779, 1725381, 1909035, 2163573, 2672649, 2875635, 3605955, 3807405, 4454415, 5048337, 5727105, 6490719, 8017947, 8413895, 8626905, 10817865, 13363245, 15145011, 19472157, 25241685, 32453595, 40089735, 45435033, 75725055, 97360785, 136305099, 227175165, 681525495]

約数ペア:

[(1, 681525495), (3, 227175165), (5, 136305099), (7, 97360785), (9, 75725055), (15, 45435033), (17, 40089735), (21, 32453595), (27, 25241685), (35, 19472157), (45, 15145011), (51, 13363245), (63, 10817865), (79, 8626905), (81, 8413895), (85, 8017947), (105, 6490719), (119, 5727105), (135, 5048337), (153, 4454415), (179, 3807405), (189, 3605955), (237, 2875635), (255, 2672649), (315, 2163573), (357, 1909035), (395, 1725381), (405, 1682779), (459, 1484805), (537, 1269135), (553, 1232415), (567, 1201985), (595, 1145421), (711, 958545), (765, 890883), (895, 761481), (945, 721191), (1071, 636345), (1185, 575127), (1253, 543915), (1343, 507465), (1377, 494935), (1611, 423045), (1659, 410805), (1785, 381807), (2133, 319515), (2295, 296961), (2685, 253827), (2765, 246483), (2835, 240397), (3043, 223965), (3213, 212115), (3555, 191709), (3759, 181305), (4029, 169155), (4833, 141015), (4977, 136935), (5355, 127269), (6265, 108783), (6399, 106505), (6715, 101493), (6885, 98987), (8055, 84609), (8295, 82161), (9129, 74655), (9401, 72495), (9639, 70705), (10665, 63903), (11277, 60435), (12087, 56385), (14141, 48195), (14499, 47005), (14931, 45645), (15215, 44793), (16065, 42423), (18795, 36261), (20145, 33831), (21301, 31995), (24165, 28203), (24885, 27387)]