127988217

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{54907}}^1$

素因数の和:54957

約数の個数: 24

約数和(自身を含む): 216996416

約数和(自身を除く): 89008199

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 54907, 164721, 384349, 494163, 1153047, 2031559, 3459141, 6094677, 14220913, 18284031, 42662739, 127988217]

約数ペア:

[(1, 127988217), (3, 42662739), (7, 18284031), (9, 14220913), (21, 6094677), (37, 3459141), (63, 2031559), (111, 1153047), (259, 494163), (333, 384349), (777, 164721), (2331, 54907)]