201979539

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 313257984

約数和(自身を除く): 111278445

約数列:

[1, 3, 9, 31, 47, 73, 93, 141, 211, 219, 279, 423, 633, 657, 1457, 1899, 2263, 3431, 4371, 6541, 6789, 9917, 10293, 13113, 15403, 19623, 20367, 29751, 30879, 46209, 58869, 89253, 106361, 138627, 307427, 319083, 477493, 723941, 922281, 957249, 1432479, 2171823, 2766843, 4297437, 6515469, 22442171, 67326513, 201979539]

約数ペア:

[(1, 201979539), (3, 67326513), (9, 22442171), (31, 6515469), (47, 4297437), (73, 2766843), (93, 2171823), (141, 1432479), (211, 957249), (219, 922281), (279, 723941), (423, 477493), (633, 319083), (657, 307427), (1457, 138627), (1899, 106361), (2263, 89253), (3431, 58869), (4371, 46209), (6541, 30879), (6789, 29751), (9917, 20367), (10293, 19623), (13113, 15403)]