26784639

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 47511360

約数和(自身を除く): 20726721

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 89, 119, 153, 267, 281, 357, 623, 801, 843, 1071, 1513, 1869, 1967, 2529, 4539, 4777, 5607, 5901, 10591, 13617, 14331, 17703, 25009, 31773, 33439, 42993, 75027, 95319, 100317, 175063, 225081, 300951, 425153, 525189, 1275459, 1575567, 2976071, 3826377, 8928213, 26784639]

約数ペア:

[(1, 26784639), (3, 8928213), (7, 3826377), (9, 2976071), (17, 1575567), (21, 1275459), (51, 525189), (63, 425153), (89, 300951), (119, 225081), (153, 175063), (267, 100317), (281, 95319), (357, 75027), (623, 42993), (801, 33439), (843, 31773), (1071, 25009), (1513, 17703), (1869, 14331), (1967, 13617), (2529, 10591), (4539, 5901), (4777, 5607)]