2149553961

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{7901}}^1$

素因数の和:8006

約数の個数: 48

約数和(自身を含む): 3435157440

約数和(自身を除く): 1285603479

約数列:

[1, 3, 9, 19, 37, 43, 57, 111, 129, 171, 333, 387, 703, 817, 1591, 2109, 2451, 4773, 6327, 7353, 7901, 14319, 23703, 30229, 71109, 90687, 150119, 272061, 292337, 339743, 450357, 877011, 1019229, 1351071, 2631033, 3057687, 5554403, 6455117, 12570491, 16663209, 19365351, 37711473, 49989627, 58096053, 113134419, 238839329, 716517987, 2149553961]

約数ペア:

[(1, 2149553961), (3, 716517987), (9, 238839329), (19, 113134419), (37, 58096053), (43, 49989627), (57, 37711473), (111, 19365351), (129, 16663209), (171, 12570491), (333, 6455117), (387, 5554403), (703, 3057687), (817, 2631033), (1591, 1351071), (2109, 1019229), (2451, 877011), (4773, 450357), (6327, 339743), (7353, 292337), (7901, 272061), (14319, 150119), (23703, 90687), (30229, 71109)]