133690257

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{2551}}^1$

素因数の和:3210

約数の個数: 20

約数和(自身を含む): 200097216

約数和(自身を除く): 66406959

約数列:

[1, 3, 9, 27, 81, 647, 1941, 2551, 5823, 7653, 17469, 22959, 52407, 68877, 206631, 1650497, 4951491, 14854473, 44563419, 133690257]

約数ペア:

[(1, 133690257), (3, 44563419), (9, 14854473), (27, 4951491), (81, 1650497), (647, 206631), (1941, 68877), (2551, 52407), (5823, 22959), (7653, 17469)]