280824159

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{1499}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 467712000

約数和(自身を除く): 186887841

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 811, 1499, 2433, 4497, 5677, 8921, 10493, 16489, 17031, 26763, 31479, 49467, 62447, 115423, 187341, 346269, 1215689, 3647067, 8509823, 13372579, 25529469, 40117737, 93608053, 280824159]

約数ペア:

[(1, 280824159), (3, 93608053), (7, 40117737), (11, 25529469), (21, 13372579), (33, 8509823), (77, 3647067), (231, 1215689), (811, 346269), (1499, 187341), (2433, 115423), (4497, 62447), (5677, 49467), (8921, 31479), (10493, 26763), (16489, 17031)]