205300089

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{53927}}^1$

素因数の和:53986

約数の個数: 20

約数和(自身を含む): 313213824

約数和(自身を除く): 107913735

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 53927, 161781, 485343, 1456029, 2534569, 4368087, 7603707, 22811121, 68433363, 205300089]

約数ペア:

[(1, 205300089), (3, 68433363), (9, 22811121), (27, 7603707), (47, 4368087), (81, 2534569), (141, 1456029), (423, 485343), (1269, 161781), (3807, 53927)]