31830249

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 48153600

約数和(自身を除く): 16323351

約数列:

[1, 3, 11, 33, 37, 111, 131, 199, 393, 407, 597, 1221, 1441, 2189, 4323, 4847, 6567, 7363, 14541, 22089, 26069, 53317, 78207, 80993, 159951, 242979, 286759, 860277, 964553, 2893659, 10610083, 31830249]

約数ペア:

[(1, 31830249), (3, 10610083), (11, 2893659), (33, 964553), (37, 860277), (111, 286759), (131, 242979), (199, 159951), (393, 80993), (407, 78207), (597, 53317), (1221, 26069), (1441, 22089), (2189, 14541), (4323, 7363), (4847, 6567)]