12778905

素因数分解:

$3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{967}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 20490624

約数和(自身を除く): 7711719

約数列:

[1, 3, 5, 15, 881, 967, 2643, 2901, 4405, 4835, 13215, 14505, 851927, 2555781, 4259635, 12778905]

約数ペア:

[(1, 12778905), (3, 4259635), (5, 2555781), (15, 851927), (881, 14505), (967, 13215), (2643, 4835), (2901, 4405)]