123406239

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{23819}}^1$

素因数の和:23990

約数の個数: 16

約数和(自身を含む): 180650880

約数和(自身を除く): 57244641

約数列:

[1, 3, 11, 33, 157, 471, 1727, 5181, 23819, 71457, 262009, 786027, 3739583, 11218749, 41135413, 123406239]

約数ペア:

[(1, 123406239), (3, 41135413), (11, 11218749), (33, 3739583), (157, 786027), (471, 262009), (1727, 71457), (5181, 23819)]