2687997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 3893120

約数和(自身を除く): 1205123

約数列:

[1, 3, 13, 39, 157, 439, 471, 1317, 2041, 5707, 6123, 17121, 68923, 206769, 895999, 2687997]

約数ペア:

[(1, 2687997), (3, 895999), (13, 206769), (39, 68923), (157, 17121), (439, 6123), (471, 5707), (1317, 2041)]