209036373

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17807}}^1$

素因数の和:17873

約数の個数: 32

約数和(自身を含む): 351031296

約数和(自身を除く): 141994923

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 11739, 17807, 53421, 124649, 231491, 373947, 694473, 765701, 1620437, 2297103, 4861311, 5359907, 9954113, 16079721, 29862339, 69678791, 209036373]

約数ペア:

[(1, 209036373), (3, 69678791), (7, 29862339), (13, 16079721), (21, 9954113), (39, 5359907), (43, 4861311), (91, 2297103), (129, 1620437), (273, 765701), (301, 694473), (559, 373947), (903, 231491), (1677, 124649), (3913, 53421), (11739, 17807)]