1273385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 16

約数和(自身を含む): 1648512

約数和(自身を除く): 375127

約数列:

[1, 5, 17, 71, 85, 211, 355, 1055, 1207, 3587, 6035, 14981, 17935, 74905, 254677, 1273385]

約数ペア:

[(1, 1273385), (5, 254677), (17, 74905), (71, 17935), (85, 14981), (211, 6035), (355, 3587), (1055, 1207)]