26779809

素因数分解:

$3^1\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{1249}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 40880000

約数和(自身を除く): 14100191

約数列:

[1, 3, 7, 21, 1021, 1249, 3063, 3747, 7147, 8743, 21441, 26229, 1275229, 3825687, 8926603, 26779809]

約数ペア:

[(1, 26779809), (3, 8926603), (7, 3825687), (21, 1275229), (1021, 26229), (1249, 21441), (3063, 8743), (3747, 7147)]