6720666

素因数分解:

$2^1\times 3^1\times {\mathrm{691}}^1\times {\mathrm{1621}}^1$

素因数の和:2317

約数の個数: 16

約数和(自身を含む): 13469088

約数和(自身を除く): 6748422

約数列:

[1, 2, 3, 6, 691, 1382, 1621, 2073, 3242, 4146, 4863, 9726, 1120111, 2240222, 3360333, 6720666]

約数ペア:

[(1, 6720666), (2, 3360333), (3, 2240222), (6, 1120111), (691, 9726), (1382, 4863), (1621, 4146), (2073, 3242)]