1287942729

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{80683}}^1$

素因数の和:81016

約数の個数: 16

約数和(自身を含む): 1824103872

約数和(自身を除く): 536161143

約数列:

[1, 3, 17, 51, 313, 939, 5321, 15963, 80683, 242049, 1371611, 4114833, 25253779, 75761337, 429314243, 1287942729]

約数ペア:

[(1, 1287942729), (3, 429314243), (17, 75761337), (51, 25253779), (313, 4114833), (939, 1371611), (5321, 242049), (15963, 80683)]