127207521

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{42961}}^1$

素因数の和:43021

約数の個数: 24

約数和(自身を含む): 214466304

約数和(自身を除く): 87258783

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 42961, 128883, 300727, 386649, 902181, 2019167, 2706543, 6057501, 14134169, 18172503, 42402507, 127207521]

約数ペア:

[(1, 127207521), (3, 42402507), (7, 18172503), (9, 14134169), (21, 6057501), (47, 2706543), (63, 2019167), (141, 902181), (329, 386649), (423, 300727), (987, 128883), (2961, 42961)]