11781207

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{3931}}^1$

素因数の和:3980

約数の個数: 20

約数和(自身を含む): 18079336

約数和(自身を除く): 6298129

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 3931, 11793, 35379, 106137, 145447, 318411, 436341, 1309023, 3927069, 11781207]

約数ペア:

[(1, 11781207), (3, 3927069), (9, 1309023), (27, 436341), (37, 318411), (81, 145447), (111, 106137), (333, 35379), (999, 11793), (2997, 3931)]