4009209

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1960

約数の個数: 16

約数和(自身を含む): 5782080

約数和(自身を除く): 1772871

約数列:

[1, 3, 19, 37, 57, 111, 703, 1901, 2109, 5703, 36119, 70337, 108357, 211011, 1336403, 4009209]

約数ペア:

[(1, 4009209), (3, 1336403), (19, 211011), (37, 108357), (57, 70337), (111, 36119), (703, 5703), (1901, 2109)]