80712531

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{16889}}^1$

素因数の和:16960

約数の個数: 20

約数和(自身を含む): 122621400

約数和(自身を除く): 41908869

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 16889, 50667, 152001, 456003, 996451, 1368009, 2989353, 8968059, 26904177, 80712531]

約数ペア:

[(1, 80712531), (3, 26904177), (9, 8968059), (27, 2989353), (59, 1368009), (81, 996451), (177, 456003), (531, 152001), (1593, 50667), (4779, 16889)]