81697461

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 38052939

約数列:

[1, 3, 17, 41, 51, 89, 123, 267, 439, 697, 1317, 1513, 2091, 3649, 4539, 7463, 10947, 17999, 22389, 39071, 53997, 62033, 117213, 186099, 305983, 664207, 917949, 1601911, 1992621, 4805733, 27232487, 81697461]

約数ペア:

[(1, 81697461), (3, 27232487), (17, 4805733), (41, 1992621), (51, 1601911), (89, 917949), (123, 664207), (267, 305983), (439, 186099), (697, 117213), (1317, 62033), (1513, 53997), (2091, 39071), (3649, 22389), (4539, 17999), (7463, 10947)]