31019877

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3877}}^1$

素因数の和:4017

約数の個数: 24

約数和(自身を含む): 51623936

約数和(自身を除く): 20604059

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 3877, 8001, 11631, 27139, 34893, 81417, 244251, 492379, 1477137, 3446653, 4431411, 10339959, 31019877]

約数ペア:

[(1, 31019877), (3, 10339959), (7, 4431411), (9, 3446653), (21, 1477137), (63, 492379), (127, 244251), (381, 81417), (889, 34893), (1143, 27139), (2667, 11631), (3877, 8001)]