2821515

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1373}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 4550688

約数和(自身を除く): 1729173

約数列:

[1, 3, 5, 15, 137, 411, 685, 1373, 2055, 4119, 6865, 20595, 188101, 564303, 940505, 2821515]

約数ペア:

[(1, 2821515), (3, 940505), (5, 564303), (15, 188101), (137, 20595), (411, 6865), (685, 4119), (1373, 2055)]