127718787

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{129401}}^1$

素因数の和:129458

約数の個数: 16

約数和(自身を含む): 198761472

約数和(自身を除く): 71042685

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 129401, 388203, 905807, 2717421, 6081847, 18245541, 42572929, 127718787]

約数ペア:

[(1, 127718787), (3, 42572929), (7, 18245541), (21, 6081847), (47, 2717421), (141, 905807), (329, 388203), (987, 129401)]