197903997

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{3011}}^1$

素因数の和:3193

約数の個数: 24

約数和(自身を含む): 292886880

約数和(自身を除く): 94982883

約数列:

[1, 3, 9, 67, 109, 201, 327, 603, 981, 3011, 7303, 9033, 21909, 27099, 65727, 201737, 328199, 605211, 984597, 1815633, 2953791, 21989333, 65967999, 197903997]

約数ペア:

[(1, 197903997), (3, 65967999), (9, 21989333), (67, 2953791), (109, 1815633), (201, 984597), (327, 605211), (603, 328199), (981, 201737), (3011, 65727), (7303, 27099), (9033, 21909)]