1278821241

素因数分解:

$3^2\times {\mathrm{569}}^1\times {\mathrm{249721}}^1$

素因数の和:250296

約数の個数: 12

約数和(自身を含む): 1850440020

約数和(自身を除く): 571618779

約数列:

[1, 3, 9, 569, 1707, 5121, 249721, 749163, 2247489, 142091249, 426273747, 1278821241]

約数ペア:

[(1, 1278821241), (3, 426273747), (9, 142091249), (569, 2247489), (1707, 749163), (5121, 249721)]