12981927

素因数分解:

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

素因数の和:1742

約数の個数: 16

約数和(自身を含む): 19837440

約数和(自身を除く): 6855513

約数列:

[1, 3, 7, 21, 503, 1229, 1509, 3521, 3687, 8603, 10563, 25809, 618187, 1854561, 4327309, 12981927]

約数ペア:

[(1, 12981927), (3, 4327309), (7, 1854561), (21, 618187), (503, 25809), (1229, 10563), (1509, 8603), (3521, 3687)]