7647891

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 10705920

約数和(自身を除く): 3058029

約数列:

[1, 3, 23, 69, 271, 409, 813, 1227, 6233, 9407, 18699, 28221, 110839, 332517, 2549297, 7647891]

約数ペア:

[(1, 7647891), (3, 2549297), (23, 332517), (69, 110839), (271, 28221), (409, 18699), (813, 9407), (1227, 6233)]