663663861

素因数分解:

$3^5\times 7^1\times {\mathrm{390161}}^1$

素因数の和:390183

約数の個数: 24

約数和(自身を含む): 1136151744

約数和(自身を除く): 472487883

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 390161, 1170483, 2731127, 3511449, 8193381, 10534347, 24580143, 31603041, 73740429, 94809123, 221221287, 663663861]

約数ペア:

[(1, 663663861), (3, 221221287), (7, 94809123), (9, 73740429), (21, 31603041), (27, 24580143), (63, 10534347), (81, 8193381), (189, 3511449), (243, 2731127), (567, 1170483), (1701, 390161)]