81954087

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 121862400

約数和(自身を除く): 39908313

約数列:

[1, 3, 19, 29, 43, 57, 87, 129, 551, 817, 1153, 1247, 1653, 2451, 3459, 3741, 21907, 23693, 33437, 49579, 65721, 71079, 100311, 148737, 635303, 942001, 1437791, 1905909, 2826003, 4313373, 27318029, 81954087]

約数ペア:

[(1, 81954087), (3, 27318029), (19, 4313373), (29, 2826003), (43, 1905909), (57, 1437791), (87, 942001), (129, 635303), (551, 148737), (817, 100311), (1153, 71079), (1247, 65721), (1653, 49579), (2451, 33437), (3459, 23693), (3741, 21907)]