39966519

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{5521}}^1$

素因数の和:5670

約数の個数: 16

約数和(自身を含む): 56545280

約数和(自身を除く): 16578761

約数列:

[1, 3, 19, 57, 127, 381, 2413, 5521, 7239, 16563, 104899, 314697, 701167, 2103501, 13322173, 39966519]

約数ペア:

[(1, 39966519), (3, 13322173), (19, 2103501), (57, 701167), (127, 314697), (381, 104899), (2413, 16563), (5521, 7239)]