208808943

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{83557}}^1$

素因数の和:83591

約数の個数: 24

約数和(自身を含む): 342922032

約数和(自身を除く): 134113089

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 83557, 250671, 584899, 1420469, 1754697, 4094293, 4261407, 9943283, 12282879, 29829849, 69602981, 208808943]

約数ペア:

[(1, 208808943), (3, 69602981), (7, 29829849), (17, 12282879), (21, 9943283), (49, 4261407), (51, 4094293), (119, 1754697), (147, 1420469), (357, 584899), (833, 250671), (2499, 83557)]