81073629

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:696

約数の個数: 80

約数和(自身を含む): 158070528

約数和(自身を除く): 76996899

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 81, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 567, 647, 663, 819, 1053, 1071, 1377, 1547, 1941, 1989, 2457, 3213, 4529, 4641, 5823, 5967, 7371, 8411, 9639, 10999, 13587, 13923, 17469, 17901, 25233, 32997, 40761, 41769, 52407, 58877, 75699, 76993, 98991, 122283, 125307, 142987, 176631, 227097, 230979, 296973, 366849, 428961, 529893, 681291, 692937, 890919, 1000909, 1286883, 1589679, 2078811, 3002727, 3860649, 4769037, 6236433, 9008181, 11581947, 27024543, 81073629]

約数ペア:

[(1, 81073629), (3, 27024543), (7, 11581947), (9, 9008181), (13, 6236433), (17, 4769037), (21, 3860649), (27, 3002727), (39, 2078811), (51, 1589679), (63, 1286883), (81, 1000909), (91, 890919), (117, 692937), (119, 681291), (153, 529893), (189, 428961), (221, 366849), (273, 296973), (351, 230979), (357, 227097), (459, 176631), (567, 142987), (647, 125307), (663, 122283), (819, 98991), (1053, 76993), (1071, 75699), (1377, 58877), (1547, 52407), (1941, 41769), (1989, 40761), (2457, 32997), (3213, 25233), (4529, 17901), (4641, 17469), (5823, 13923), (5967, 13587), (7371, 10999), (8411, 9639)]