38945781

素因数分解:

$3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1229}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 64471680

約数和(自身を除く): 25525899

約数列:

[1, 3, 7, 9, 21, 63, 503, 1229, 1509, 3521, 3687, 4527, 8603, 10563, 11061, 25809, 31689, 77427, 618187, 1854561, 4327309, 5563683, 12981927, 38945781]

約数ペア:

[(1, 38945781), (3, 12981927), (7, 5563683), (9, 4327309), (21, 1854561), (63, 618187), (503, 77427), (1229, 31689), (1509, 25809), (3521, 11061), (3687, 10563), (4527, 8603)]