2213709

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 3156480

約数和(自身を除く): 942771

約数列:

[1, 3, 19, 57, 71, 213, 547, 1349, 1641, 4047, 10393, 31179, 38837, 116511, 737903, 2213709]

約数ペア:

[(1, 2213709), (3, 737903), (19, 116511), (57, 38837), (71, 31179), (213, 10393), (547, 4047), (1349, 1641)]