728072799

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{19927}}^1$

素因数の和:20590

約数の個数: 16

約数和(自身を含む): 1023502080

約数和(自身を除く): 295429281

約数列:

[1, 3, 19, 57, 641, 1923, 12179, 19927, 36537, 59781, 378613, 1135839, 12773207, 38319621, 242690933, 728072799]

約数ペア:

[(1, 728072799), (3, 242690933), (19, 38319621), (57, 12773207), (641, 1135839), (1923, 378613), (12179, 59781), (19927, 36537)]