81713955

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{31489}}^1$

素因数の和:31670

約数の個数: 16

約数和(自身を含む): 131502240

約数和(自身を除く): 49788285

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 31489, 94467, 157445, 472335, 5447597, 16342791, 27237985, 81713955]

約数ペア:

[(1, 81713955), (3, 27237985), (5, 16342791), (15, 5447597), (173, 472335), (519, 157445), (865, 94467), (2595, 31489)]