26580981

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 44943360

約数和(自身を除く): 18362379

約数列:

[1, 3, 7, 19, 21, 31, 49, 57, 93, 133, 147, 217, 307, 399, 589, 651, 921, 931, 1519, 1767, 2149, 2793, 4123, 4557, 5833, 6447, 9517, 12369, 15043, 17499, 28551, 28861, 40831, 45129, 66619, 86583, 122493, 180823, 199857, 285817, 466333, 542469, 857451, 1265761, 1398999, 3797283, 8860327, 26580981]

約数ペア:

[(1, 26580981), (3, 8860327), (7, 3797283), (19, 1398999), (21, 1265761), (31, 857451), (49, 542469), (57, 466333), (93, 285817), (133, 199857), (147, 180823), (217, 122493), (307, 86583), (399, 66619), (589, 45129), (651, 40831), (921, 28861), (931, 28551), (1519, 17499), (1767, 15043), (2149, 12369), (2793, 9517), (4123, 6447), (4557, 5833)]