199421523

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{19661}}^1$

素因数の和:19704

約数の個数: 36

約数和(自身を含む): 349669008

約数和(自身を除く): 150247485

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 19661, 58983, 137627, 176949, 412881, 452203, 963389, 1238643, 1356609, 2890167, 3165421, 4069827, 8670501, 9496263, 22157947, 28488789, 66473841, 199421523]

約数ペア:

[(1, 199421523), (3, 66473841), (7, 28488789), (9, 22157947), (21, 9496263), (23, 8670501), (49, 4069827), (63, 3165421), (69, 2890167), (147, 1356609), (161, 1238643), (207, 963389), (441, 452203), (483, 412881), (1127, 176949), (1449, 137627), (3381, 58983), (10143, 19661)]