81435767

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{2179}}^1$

素因数の和:2486

約数の個数: 16

約数和(自身を含む): 98361600

約数和(自身を除く): 16925833

約数列:

[1, 7, 19, 133, 281, 1967, 2179, 5339, 15253, 37373, 41401, 289807, 612299, 4286093, 11633681, 81435767]

約数ペア:

[(1, 81435767), (7, 11633681), (19, 4286093), (133, 612299), (281, 289807), (1967, 41401), (2179, 37373), (5339, 15253)]