181804257

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{42349}}^1$

素因数の和:42414

約数の個数: 20

約数和(自身を含む): 276714900

約数和(自身を除く): 94910643

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 42349, 127047, 381141, 1143423, 2244497, 3430269, 6733491, 20200473, 60601419, 181804257]

約数ペア:

[(1, 181804257), (3, 60601419), (9, 20200473), (27, 6733491), (53, 3430269), (81, 2244497), (159, 1143423), (477, 381141), (1431, 127047), (4293, 42349)]