31028877

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{28493}}^1$

素因数の和:28521

約数の個数: 18

約数和(自身を含む): 49266126

約数和(自身を除く): 18237249

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 28493, 85479, 256437, 313423, 940269, 2820807, 3447653, 10342959, 31028877]

約数ペア:

[(1, 31028877), (3, 10342959), (9, 3447653), (11, 2820807), (33, 940269), (99, 313423), (121, 256437), (363, 85479), (1089, 28493)]