81572184

素因数分解:

$2^3\times 3^6\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 112

約数和(自身を含む): 233727120

約数和(自身を除く): 152154936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 197, 213, 216, 243, 284, 324, 394, 426, 486, 568, 591, 639, 648, 729, 788, 852, 972, 1182, 1278, 1458, 1576, 1704, 1773, 1917, 1944, 2364, 2556, 2916, 3546, 3834, 4728, 5112, 5319, 5751, 5832, 7092, 7668, 10638, 11502, 13987, 14184, 15336, 15957, 17253, 21276, 23004, 27974, 31914, 34506, 41961, 42552, 46008, 47871, 51759, 55948, 63828, 69012, 83922, 95742, 103518, 111896, 125883, 127656, 138024, 143613, 167844, 191484, 207036, 251766, 287226, 335688, 377649, 382968, 414072, 503532, 574452, 755298, 1007064, 1132947, 1148904, 1510596, 2265894, 3021192, 3398841, 4531788, 6797682, 9063576, 10196523, 13595364, 20393046, 27190728, 40786092, 81572184]

約数ペア:

[(1, 81572184), (2, 40786092), (3, 27190728), (4, 20393046), (6, 13595364), (8, 10196523), (9, 9063576), (12, 6797682), (18, 4531788), (24, 3398841), (27, 3021192), (36, 2265894), (54, 1510596), (71, 1148904), (72, 1132947), (81, 1007064), (108, 755298), (142, 574452), (162, 503532), (197, 414072), (213, 382968), (216, 377649), (243, 335688), (284, 287226), (324, 251766), (394, 207036), (426, 191484), (486, 167844), (568, 143613), (591, 138024), (639, 127656), (648, 125883), (729, 111896), (788, 103518), (852, 95742), (972, 83922), (1182, 69012), (1278, 63828), (1458, 55948), (1576, 51759), (1704, 47871), (1773, 46008), (1917, 42552), (1944, 41961), (2364, 34506), (2556, 31914), (2916, 27974), (3546, 23004), (3834, 21276), (4728, 17253), (5112, 15957), (5319, 15336), (5751, 14184), (5832, 13987), (7092, 11502), (7668, 10638)]