68387655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 133079040

約数和(自身を除く): 64691385

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 37, 87, 105, 111, 145, 185, 203, 259, 435, 555, 607, 609, 777, 1015, 1073, 1295, 1821, 3035, 3045, 3219, 3885, 4249, 5365, 7511, 9105, 12747, 16095, 17603, 21245, 22459, 22533, 37555, 52809, 63735, 67377, 88015, 112295, 112665, 123221, 157213, 264045, 336885, 369663, 471639, 616105, 651311, 786065, 1848315, 1953933, 2358195, 3256555, 4559177, 9769665, 13677531, 22795885, 68387655]

約数ペア:

[(1, 68387655), (3, 22795885), (5, 13677531), (7, 9769665), (15, 4559177), (21, 3256555), (29, 2358195), (35, 1953933), (37, 1848315), (87, 786065), (105, 651311), (111, 616105), (145, 471639), (185, 369663), (203, 336885), (259, 264045), (435, 157213), (555, 123221), (607, 112665), (609, 112295), (777, 88015), (1015, 67377), (1073, 63735), (1295, 52809), (1821, 37555), (3035, 22533), (3045, 22459), (3219, 21245), (3885, 17603), (4249, 16095), (5365, 12747), (7511, 9105)]