81741825

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 166953600

約数和(自身を除く): 85211775

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 101, 109, 135, 165, 225, 275, 297, 303, 327, 495, 505, 545, 675, 825, 909, 981, 1111, 1199, 1485, 1515, 1635, 2475, 2525, 2725, 2727, 2943, 3333, 3597, 4545, 4905, 5555, 5995, 7425, 7575, 8175, 9999, 10791, 11009, 13635, 14715, 16665, 17985, 22725, 24525, 27775, 29975, 29997, 32373, 33027, 49995, 53955, 55045, 68175, 73575, 83325, 89925, 99081, 121099, 149985, 161865, 165135, 249975, 269775, 275225, 297243, 363297, 495405, 605495, 749925, 809325, 825675, 1089891, 1486215, 1816485, 2477025, 3027475, 3269673, 5449455, 7431075, 9082425, 16348365, 27247275, 81741825]

約数ペア:

[(1, 81741825), (3, 27247275), (5, 16348365), (9, 9082425), (11, 7431075), (15, 5449455), (25, 3269673), (27, 3027475), (33, 2477025), (45, 1816485), (55, 1486215), (75, 1089891), (99, 825675), (101, 809325), (109, 749925), (135, 605495), (165, 495405), (225, 363297), (275, 297243), (297, 275225), (303, 269775), (327, 249975), (495, 165135), (505, 161865), (545, 149985), (675, 121099), (825, 99081), (909, 89925), (981, 83325), (1111, 73575), (1199, 68175), (1485, 55045), (1515, 53955), (1635, 49995), (2475, 33027), (2525, 32373), (2725, 29997), (2727, 29975), (2943, 27775), (3333, 24525), (3597, 22725), (4545, 17985), (4905, 16665), (5555, 14715), (5995, 13635), (7425, 11009), (7575, 10791), (8175, 9999)]