1920255

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 3089760

約数和(自身を除く): 1169505

約数列:

[1, 3, 5, 15, 313, 409, 939, 1227, 1565, 2045, 4695, 6135, 128017, 384051, 640085, 1920255]

約数ペア:

[(1, 1920255), (3, 640085), (5, 384051), (15, 128017), (313, 6135), (409, 4695), (939, 2045), (1227, 1565)]