81243648

素因数分解:

$2^9\times 3^5\times {\mathrm{653}}^1$

素因数の和:686

約数の個数: 120

約数和(自身を含む): 243531288

約数和(自身を除く): 162287640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 432, 486, 512, 576, 648, 653, 768, 864, 972, 1152, 1296, 1306, 1536, 1728, 1944, 1959, 2304, 2592, 2612, 3456, 3888, 3918, 4608, 5184, 5224, 5877, 6912, 7776, 7836, 10368, 10448, 11754, 13824, 15552, 15672, 17631, 20736, 20896, 23508, 31104, 31344, 35262, 41472, 41792, 47016, 52893, 62208, 62688, 70524, 83584, 94032, 105786, 124416, 125376, 141048, 158679, 167168, 188064, 211572, 250752, 282096, 317358, 334336, 376128, 423144, 501504, 564192, 634716, 752256, 846288, 1003008, 1128384, 1269432, 1504512, 1692576, 2256768, 2538864, 3009024, 3385152, 4513536, 5077728, 6770304, 9027072, 10155456, 13540608, 20310912, 27081216, 40621824, 81243648]

約数ペア:

[(1, 81243648), (2, 40621824), (3, 27081216), (4, 20310912), (6, 13540608), (8, 10155456), (9, 9027072), (12, 6770304), (16, 5077728), (18, 4513536), (24, 3385152), (27, 3009024), (32, 2538864), (36, 2256768), (48, 1692576), (54, 1504512), (64, 1269432), (72, 1128384), (81, 1003008), (96, 846288), (108, 752256), (128, 634716), (144, 564192), (162, 501504), (192, 423144), (216, 376128), (243, 334336), (256, 317358), (288, 282096), (324, 250752), (384, 211572), (432, 188064), (486, 167168), (512, 158679), (576, 141048), (648, 125376), (653, 124416), (768, 105786), (864, 94032), (972, 83584), (1152, 70524), (1296, 62688), (1306, 62208), (1536, 52893), (1728, 47016), (1944, 41792), (1959, 41472), (2304, 35262), (2592, 31344), (2612, 31104), (3456, 23508), (3888, 20896), (3918, 20736), (4608, 17631), (5184, 15672), (5224, 15552), (5877, 13824), (6912, 11754), (7776, 10448), (7836, 10368)]