198909639

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{809}}^1\times {\mathrm{1607}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 304780320

約数和(自身を除く): 105870681

約数列:

[1, 3, 9, 17, 51, 153, 809, 1607, 2427, 4821, 7281, 13753, 14463, 27319, 41259, 81957, 123777, 245871, 1300063, 3900189, 11700567, 22101071, 66303213, 198909639]

約数ペア:

[(1, 198909639), (3, 66303213), (9, 22101071), (17, 11700567), (51, 3900189), (153, 1300063), (809, 245871), (1607, 123777), (2427, 81957), (4821, 41259), (7281, 27319), (13753, 14463)]