81351115

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{1847}}^1$

素因数の和:2258

約数の個数: 16

約数和(自身を含む): 102187008

約数和(自身を除く): 20835893

約数列:

[1, 5, 23, 115, 383, 1847, 1915, 8809, 9235, 42481, 44045, 212405, 707401, 3537005, 16270223, 81351115]

約数ペア:

[(1, 81351115), (5, 16270223), (23, 3537005), (115, 707401), (383, 212405), (1847, 44045), (1915, 42481), (8809, 9235)]