81356457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5051}}^1$

素因数の和:5133

約数の個数: 32

約数和(自身を含む): 135797760

約数和(自身を除く): 54441303

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1239, 2301, 5051, 5369, 15153, 16107, 35357, 65663, 106071, 196989, 298009, 459641, 894027, 1378923, 2086063, 3874117, 6258189, 11622351, 27118819, 81356457]

約数ペア:

[(1, 81356457), (3, 27118819), (7, 11622351), (13, 6258189), (21, 3874117), (39, 2086063), (59, 1378923), (91, 894027), (177, 459641), (273, 298009), (413, 196989), (767, 106071), (1239, 65663), (2301, 35357), (5051, 16107), (5369, 15153)]