217792389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{9511}}^1$

素因数の和:9980

約数の個数: 16

約数和(自身を含む): 308188800

約数和(自身を除く): 90396411

約数列:

[1, 3, 17, 51, 449, 1347, 7633, 9511, 22899, 28533, 161687, 485061, 4270439, 12811317, 72597463, 217792389]

約数ペア:

[(1, 217792389), (3, 72597463), (17, 12811317), (51, 4270439), (449, 485061), (1347, 161687), (7633, 28533), (9511, 22899)]