1243992249

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{172561}}^1$

素因数の和:172662

約数の個数: 20

約数和(自身を含む): 1879200180

約数和(自身を除く): 635207931

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 172561, 517683, 1553049, 4659147, 13977441, 15357929, 46073787, 138221361, 414664083, 1243992249]

約数ペア:

[(1, 1243992249), (3, 414664083), (9, 138221361), (27, 46073787), (81, 15357929), (89, 13977441), (267, 4659147), (801, 1553049), (2403, 517683), (7209, 172561)]