202979511

素因数分解:

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

素因数の和:1473

約数の個数: 48

約数和(自身を含む): 349440000

約数和(自身を除く): 146460489

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 343, 423, 441, 987, 1029, 1399, 2303, 2961, 3087, 4197, 6909, 9793, 12591, 16121, 20727, 29379, 48363, 65753, 68551, 88137, 145089, 197259, 205653, 460271, 479857, 591777, 616959, 1380813, 1439571, 3221897, 4142439, 4318713, 9665691, 22553279, 28997073, 67659837, 202979511]

約数ペア:

[(1, 202979511), (3, 67659837), (7, 28997073), (9, 22553279), (21, 9665691), (47, 4318713), (49, 4142439), (63, 3221897), (141, 1439571), (147, 1380813), (329, 616959), (343, 591777), (423, 479857), (441, 460271), (987, 205653), (1029, 197259), (1399, 145089), (2303, 88137), (2961, 68551), (3087, 65753), (4197, 48363), (6909, 29379), (9793, 20727), (12591, 16121)]