20151555

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6367}}^1$

素因数の和:6586

約数の個数: 16

約数和(自身を含む): 32400384

約数和(自身を除く): 12248829

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 6367, 19101, 31835, 95505, 1343437, 4030311, 6717185, 20151555]

約数ペア:

[(1, 20151555), (3, 6717185), (5, 4030311), (15, 1343437), (211, 95505), (633, 31835), (1055, 19101), (3165, 6367)]