2005689

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 3081600

約数和(自身を除く): 1075911

約数列:

[1, 3, 7, 21, 149, 447, 641, 1043, 1923, 3129, 4487, 13461, 95509, 286527, 668563, 2005689]

約数ペア:

[(1, 2005689), (3, 668563), (7, 286527), (21, 95509), (149, 13461), (447, 4487), (641, 3129), (1043, 1923)]