209495187

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1097}}^1$

素因数の和:1760

約数の個数: 32

約数和(自身を含む): 339413760

約数和(自身を除く): 129918573

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 643, 1097, 1929, 3291, 5787, 7073, 9873, 12067, 17361, 21219, 29619, 36201, 63657, 108603, 190971, 325809, 705371, 2116113, 6348339, 7759081, 19045017, 23277243, 69831729, 209495187]

約数ペア:

[(1, 209495187), (3, 69831729), (9, 23277243), (11, 19045017), (27, 7759081), (33, 6348339), (99, 2116113), (297, 705371), (643, 325809), (1097, 190971), (1929, 108603), (3291, 63657), (5787, 36201), (7073, 29619), (9873, 21219), (12067, 17361)]