31427451

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{28859}}^1$

素因数の和:28887

約数の個数: 18

約数和(自身を含む): 49898940

約数和(自身を除く): 18471489

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 28859, 86577, 259731, 317449, 952347, 2857041, 3491939, 10475817, 31427451]

約数ペア:

[(1, 31427451), (3, 10475817), (9, 3491939), (11, 2857041), (33, 952347), (99, 317449), (121, 259731), (363, 86577), (1089, 28859)]