2809105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1879}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 3790080

約数和(自身を除く): 980975

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 1879, 9395, 24427, 43217, 122135, 216085, 561821, 2809105]

約数ペア:

[(1, 2809105), (5, 561821), (13, 216085), (23, 122135), (65, 43217), (115, 24427), (299, 9395), (1495, 1879)]