2857881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 4143104

約数和(自身を除く): 1285223

約数列:

[1, 3, 13, 39, 127, 381, 577, 1651, 1731, 4953, 7501, 22503, 73279, 219837, 952627, 2857881]

約数ペア:

[(1, 2857881), (3, 952627), (13, 219837), (39, 73279), (127, 22503), (381, 7501), (577, 4953), (1651, 1731)]