2756691

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:93

約数の個数: 48

約数和(自身を含む): 4992000

約数和(自身を除く): 2235309

約数列:

[1, 3, 7, 9, 19, 21, 47, 49, 57, 63, 133, 141, 147, 171, 329, 343, 399, 423, 441, 893, 931, 987, 1029, 1197, 2303, 2679, 2793, 2961, 3087, 6251, 6517, 6909, 8037, 8379, 16121, 18753, 19551, 20727, 43757, 48363, 56259, 58653, 131271, 145089, 306299, 393813, 918897, 2756691]

約数ペア:

[(1, 2756691), (3, 918897), (7, 393813), (9, 306299), (19, 145089), (21, 131271), (47, 58653), (49, 56259), (57, 48363), (63, 43757), (133, 20727), (141, 19551), (147, 18753), (171, 16121), (329, 8379), (343, 8037), (399, 6909), (423, 6517), (441, 6251), (893, 3087), (931, 2961), (987, 2793), (1029, 2679), (1197, 2303)]