398366997

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{11087}}^1$

素因数の和:11185

約数の個数: 32

約数和(自身を含む): 638668800

約数和(自身を除く): 240301803

約数列:

[1, 3, 7, 21, 29, 59, 87, 177, 203, 413, 609, 1239, 1711, 5133, 11087, 11977, 33261, 35931, 77609, 232827, 321523, 654133, 964569, 1962399, 2250661, 4578931, 6751983, 13736793, 18969857, 56909571, 132788999, 398366997]

約数ペア:

[(1, 398366997), (3, 132788999), (7, 56909571), (21, 18969857), (29, 13736793), (59, 6751983), (87, 4578931), (177, 2250661), (203, 1962399), (413, 964569), (609, 654133), (1239, 321523), (1711, 232827), (5133, 77609), (11087, 35931), (11977, 33261)]