206915871

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{84421}}^1$

素因数の和:84486

約数の個数: 16

約数和(自身を含む): 297165440

約数和(自身を除く): 90249569

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 84421, 253263, 1603999, 3630103, 4811997, 10890309, 68971957, 206915871]

約数ペア:

[(1, 206915871), (3, 68971957), (19, 10890309), (43, 4811997), (57, 3630103), (129, 1603999), (817, 253263), (2451, 84421)]