81255365

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 98758656

約数和(自身を除く): 17503291

約数列:

[1, 5, 151, 281, 383, 755, 1405, 1915, 42431, 57833, 107623, 212155, 289165, 538115, 16251073, 81255365]

約数ペア:

[(1, 81255365), (5, 16251073), (151, 538115), (281, 289165), (383, 212155), (755, 107623), (1405, 57833), (1915, 42431)]