66811353

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1259}}^1$

素因数の和:1314

約数の個数: 36

約数和(自身を含む): 109453680

約数和(自身を除く): 42642327

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 399, 931, 1083, 1259, 2527, 2793, 3777, 7581, 8813, 17689, 23921, 26439, 53067, 61691, 71763, 167447, 185073, 454499, 502341, 1172129, 1363497, 3181493, 3516387, 9544479, 22270451, 66811353]

約数ペア:

[(1, 66811353), (3, 22270451), (7, 9544479), (19, 3516387), (21, 3181493), (49, 1363497), (57, 1172129), (133, 502341), (147, 454499), (361, 185073), (399, 167447), (931, 71763), (1083, 61691), (1259, 53067), (2527, 26439), (2793, 23921), (3777, 17689), (7581, 8813)]