1218156975

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4523}}^1$

素因数の和:4571

約数の個数: 120

約数和(自身を含む): 2715123840

約数和(自身を除く): 1496966865

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 75, 81, 95, 105, 133, 135, 171, 175, 189, 225, 285, 315, 399, 405, 475, 513, 525, 567, 665, 675, 855, 945, 1197, 1425, 1539, 1575, 1995, 2025, 2565, 2835, 3325, 3591, 4275, 4523, 4725, 5985, 7695, 9975, 10773, 12825, 13569, 14175, 17955, 22615, 29925, 31661, 38475, 40707, 53865, 67845, 85937, 89775, 94983, 113075, 122121, 158305, 203535, 257811, 269325, 284949, 339225, 366363, 429685, 474915, 601559, 610605, 773433, 791525, 854847, 1017675, 1289055, 1424745, 1804677, 1831815, 2148425, 2320299, 2374575, 2564541, 3007795, 3053025, 3867165, 4274235, 5414031, 6445275, 6960897, 7123725, 9023385, 9159075, 11601495, 12822705, 15038975, 16242093, 19335825, 21371175, 27070155, 34804485, 45116925, 48726279, 58007475, 64113525, 81210465, 135350775, 174022425, 243631395, 406052325, 1218156975]

約数ペア:

[(1, 1218156975), (3, 406052325), (5, 243631395), (7, 174022425), (9, 135350775), (15, 81210465), (19, 64113525), (21, 58007475), (25, 48726279), (27, 45116925), (35, 34804485), (45, 27070155), (57, 21371175), (63, 19335825), (75, 16242093), (81, 15038975), (95, 12822705), (105, 11601495), (133, 9159075), (135, 9023385), (171, 7123725), (175, 6960897), (189, 6445275), (225, 5414031), (285, 4274235), (315, 3867165), (399, 3053025), (405, 3007795), (475, 2564541), (513, 2374575), (525, 2320299), (567, 2148425), (665, 1831815), (675, 1804677), (855, 1424745), (945, 1289055), (1197, 1017675), (1425, 854847), (1539, 791525), (1575, 773433), (1995, 610605), (2025, 601559), (2565, 474915), (2835, 429685), (3325, 366363), (3591, 339225), (4275, 284949), (4523, 269325), (4725, 257811), (5985, 203535), (7695, 158305), (9975, 122121), (10773, 113075), (12825, 94983), (13569, 89775), (14175, 85937), (17955, 67845), (22615, 53865), (29925, 40707), (31661, 38475)]