538399143

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{349837}}^1$

素因数の和:349868

約数の個数: 20

約数和(自身を含む): 846607960

約数和(自身を除く): 308208817

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 349837, 1049511, 3148533, 6646903, 9445599, 19940709, 28336797, 59822127, 179466381, 538399143]

約数ペア:

[(1, 538399143), (3, 179466381), (9, 59822127), (19, 28336797), (27, 19940709), (57, 9445599), (81, 6646903), (171, 3148533), (513, 1049511), (1539, 349837)]