205714719

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1033}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 354868800

約数和(自身を除く): 149154081

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 109, 203, 261, 327, 609, 763, 981, 1033, 1827, 2289, 3099, 3161, 6867, 7231, 9297, 9483, 21693, 22127, 28449, 29957, 65079, 66381, 89871, 112597, 199143, 209699, 269613, 337791, 629097, 788179, 1013373, 1887291, 2364537, 3265313, 7093611, 9795939, 22857191, 29387817, 68571573, 205714719]

約数ペア:

[(1, 205714719), (3, 68571573), (7, 29387817), (9, 22857191), (21, 9795939), (29, 7093611), (63, 3265313), (87, 2364537), (109, 1887291), (203, 1013373), (261, 788179), (327, 629097), (609, 337791), (763, 269613), (981, 209699), (1033, 199143), (1827, 112597), (2289, 89871), (3099, 66381), (3161, 65079), (6867, 29957), (7231, 28449), (9297, 22127), (9483, 21693)]