205129524705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1\times {\mathrm{17977}}^1$

素因数の和:19098

約数の個数: 64

約数和(自身を含む): 378935969280

約数和(自身を除く): 173806444575

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 109, 327, 545, 763, 997, 1635, 2289, 2991, 3815, 4985, 6979, 11445, 14955, 17977, 20937, 34895, 53931, 89885, 104685, 108673, 125839, 269655, 326019, 377517, 543365, 629195, 760711, 1630095, 1887585, 1959493, 2282133, 3803555, 5878479, 9797465, 11410665, 13716451, 17923069, 29392395, 41149353, 53769207, 68582255, 89615345, 125461483, 205746765, 268846035, 376384449, 627307415, 1881922245, 1953614521, 5860843563, 9768072605, 13675301647, 29304217815, 41025904941, 68376508235, 205129524705]

約数ペア:

[(1, 205129524705), (3, 68376508235), (5, 41025904941), (7, 29304217815), (15, 13675301647), (21, 9768072605), (35, 5860843563), (105, 1953614521), (109, 1881922245), (327, 627307415), (545, 376384449), (763, 268846035), (997, 205746765), (1635, 125461483), (2289, 89615345), (2991, 68582255), (3815, 53769207), (4985, 41149353), (6979, 29392395), (11445, 17923069), (14955, 13716451), (17977, 11410665), (20937, 9797465), (34895, 5878479), (53931, 3803555), (89885, 2282133), (104685, 1959493), (108673, 1887585), (125839, 1630095), (269655, 760711), (326019, 629195), (377517, 543365)]