81204431

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{95873}}^1$

素因数の和:95902

約数の個数: 12

約数和(自身を含む): 102009936

約数和(自身を除く): 20805505

約数列:

[1, 7, 11, 77, 121, 847, 95873, 671111, 1054603, 7382221, 11600633, 81204431]

約数ペア:

[(1, 81204431), (7, 11600633), (11, 7382221), (77, 1054603), (121, 671111), (847, 95873)]