51206985

素因数分解:

$3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2143}}^1$

素因数の和:2219

約数の個数: 40

約数和(自身を含む): 93392640

約数和(自身を除く): 42185655

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 81, 135, 177, 295, 405, 531, 885, 1593, 2143, 2655, 4779, 6429, 7965, 10715, 19287, 23895, 32145, 57861, 96435, 126437, 173583, 289305, 379311, 632185, 867915, 1137933, 1896555, 3413799, 5689665, 10241397, 17068995, 51206985]

約数ペア:

[(1, 51206985), (3, 17068995), (5, 10241397), (9, 5689665), (15, 3413799), (27, 1896555), (45, 1137933), (59, 867915), (81, 632185), (135, 379311), (177, 289305), (295, 173583), (405, 126437), (531, 96435), (885, 57861), (1593, 32145), (2143, 23895), (2655, 19287), (4779, 10715), (6429, 7965)]