208385175

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1129}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 363191040

約数和(自身を除く): 154805865

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 107, 115, 321, 345, 535, 575, 1129, 1605, 1725, 2461, 2675, 3387, 5645, 7383, 8025, 12305, 16935, 25967, 28225, 36915, 61525, 77901, 84675, 120803, 129835, 184575, 362409, 389505, 604015, 649175, 1812045, 1947525, 2778469, 3020075, 8335407, 9060225, 13892345, 41677035, 69461725, 208385175]

約数ペア:

[(1, 208385175), (3, 69461725), (5, 41677035), (15, 13892345), (23, 9060225), (25, 8335407), (69, 3020075), (75, 2778469), (107, 1947525), (115, 1812045), (321, 649175), (345, 604015), (535, 389505), (575, 362409), (1129, 184575), (1605, 129835), (1725, 120803), (2461, 84675), (2675, 77901), (3387, 61525), (5645, 36915), (7383, 28225), (8025, 25967), (12305, 16935)]