78148881

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 135907200

約数和(自身を除く): 57758319

約数列:

[1, 3, 9, 17, 19, 27, 29, 51, 57, 81, 87, 103, 153, 171, 261, 309, 323, 459, 493, 513, 551, 783, 927, 969, 1377, 1479, 1539, 1653, 1751, 1957, 2349, 2781, 2907, 2987, 4437, 4959, 5253, 5871, 8343, 8721, 8961, 9367, 13311, 14877, 15759, 17613, 26163, 26883, 28101, 33269, 39933, 44631, 47277, 50779, 52839, 56753, 80649, 84303, 99807, 141831, 152337, 158517, 170259, 241947, 252909, 299421, 457011, 510777, 758727, 898263, 964801, 1371033, 1532331, 2694789, 2894403, 4113099, 4596993, 8683209, 26049627, 78148881]

約数ペア:

[(1, 78148881), (3, 26049627), (9, 8683209), (17, 4596993), (19, 4113099), (27, 2894403), (29, 2694789), (51, 1532331), (57, 1371033), (81, 964801), (87, 898263), (103, 758727), (153, 510777), (171, 457011), (261, 299421), (309, 252909), (323, 241947), (459, 170259), (493, 158517), (513, 152337), (551, 141831), (783, 99807), (927, 84303), (969, 80649), (1377, 56753), (1479, 52839), (1539, 50779), (1653, 47277), (1751, 44631), (1957, 39933), (2349, 33269), (2781, 28101), (2907, 26883), (2987, 26163), (4437, 17613), (4959, 15759), (5253, 14877), (5871, 13311), (8343, 9367), (8721, 8961)]