1980921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1511}}^1$

素因数の和:1556

約数の個数: 16

約数和(自身を含む): 2903040

約数和(自身を除く): 922119

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 1511, 4533, 28709, 34753, 86127, 104259, 660307, 1980921]

約数ペア:

[(1, 1980921), (3, 660307), (19, 104259), (23, 86127), (57, 34753), (69, 28709), (437, 4533), (1311, 1511)]