31830651

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{2503}}^1$

素因数の和:2672

約数の個数: 20

約数和(自身を含む): 47871472

約数和(自身を除く): 16040821

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 2503, 4239, 7509, 12717, 22527, 67581, 202743, 392971, 1178913, 3536739, 10610217, 31830651]

約数ペア:

[(1, 31830651), (3, 10610217), (9, 3536739), (27, 1178913), (81, 392971), (157, 202743), (471, 67581), (1413, 22527), (2503, 12717), (4239, 7509)]