28997073

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1466

約数の個数: 36

約数和(自身を含む): 49795200

約数和(自身を除く): 20798127

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 1399, 2303, 2961, 4197, 6909, 9793, 12591, 20727, 29379, 65753, 68551, 88137, 197259, 205653, 460271, 591777, 616959, 1380813, 3221897, 4142439, 9665691, 28997073]

約数ペア:

[(1, 28997073), (3, 9665691), (7, 4142439), (9, 3221897), (21, 1380813), (47, 616959), (49, 591777), (63, 460271), (141, 205653), (147, 197259), (329, 88137), (423, 68551), (441, 65753), (987, 29379), (1399, 20727), (2303, 12591), (2961, 9793), (4197, 6909)]