3867891

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 5508000

約数和(自身を除く): 1640109

約数列:

[1, 3, 17, 51, 149, 447, 509, 1527, 2533, 7599, 8653, 25959, 75841, 227523, 1289297, 3867891]

約数ペア:

[(1, 3867891), (3, 1289297), (17, 227523), (51, 75841), (149, 25959), (447, 8653), (509, 7599), (1527, 2533)]