8491161

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 13461120

約数和(自身を除く): 4969959

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 1229, 2303, 3687, 6909, 8603, 25809, 57763, 60221, 173289, 180663, 404341, 1213023, 2830387, 8491161]

約数ペア:

[(1, 8491161), (3, 2830387), (7, 1213023), (21, 404341), (47, 180663), (49, 173289), (141, 60221), (147, 57763), (329, 25809), (987, 8603), (1229, 6909), (2303, 3687)]