81360335

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{4001}}^1$

素因数の和:4103

約数の個数: 24

約数和(自身を含む): 114969456

約数和(自身を除く): 33609121

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 2905, 4001, 4067, 20005, 20335, 28007, 140035, 196049, 332083, 980245, 1660415, 2324581, 11622905, 16272067, 81360335]

約数ペア:

[(1, 81360335), (5, 16272067), (7, 11622905), (35, 2324581), (49, 1660415), (83, 980245), (245, 332083), (415, 196049), (581, 140035), (2905, 28007), (4001, 20335), (4067, 20005)]