1998297

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 3449600

約数和(自身を除く): 1451303

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 109, 189, 291, 327, 679, 763, 873, 981, 2037, 2289, 2619, 2943, 6111, 6867, 10573, 18333, 20601, 31719, 74011, 95157, 222033, 285471, 666099, 1998297]

約数ペア:

[(1, 1998297), (3, 666099), (7, 285471), (9, 222033), (21, 95157), (27, 74011), (63, 31719), (97, 20601), (109, 18333), (189, 10573), (291, 6867), (327, 6111), (679, 2943), (763, 2619), (873, 2289), (981, 2037)]