165720573

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{120349}}^1$

素因数の和:120378

約数の個数: 20

約数和(自身を含む): 262122300

約数和(自身を除く): 96401727

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 120349, 361047, 1083141, 2045933, 3249423, 6137799, 9748269, 18413397, 55240191, 165720573]

約数ペア:

[(1, 165720573), (3, 55240191), (9, 18413397), (17, 9748269), (27, 6137799), (51, 3249423), (81, 2045933), (153, 1083141), (459, 361047), (1377, 120349)]