51321531

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{821}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 69758208

約数和(自身を除く): 18436677

約数列:

[1, 3, 67, 201, 311, 821, 933, 2463, 20837, 55007, 62511, 165021, 255331, 765993, 17107177, 51321531]

約数ペア:

[(1, 51321531), (3, 17107177), (67, 765993), (201, 255331), (311, 165021), (821, 62511), (933, 55007), (2463, 20837)]