87621989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2909}}^1$

素因数の和:3260

約数の個数: 16

約数和(自身を含む): 108205440

約数和(自身を除く): 20583451

約数列:

[1, 7, 13, 91, 331, 2317, 2909, 4303, 20363, 30121, 37817, 264719, 962879, 6740153, 12517427, 87621989]

約数ペア:

[(1, 87621989), (7, 12517427), (13, 6740153), (91, 962879), (331, 264719), (2317, 37817), (2909, 30121), (4303, 20363)]