2749209957

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{1031}}^1$

素因数の和:1231

約数の個数: 64

約数和(自身を含む): 4493905920

約数和(自身を除く): 1744695963

約数列:

[1, 3, 9, 13, 27, 39, 71, 107, 117, 213, 321, 351, 639, 923, 963, 1031, 1391, 1917, 2769, 2889, 3093, 4173, 7597, 8307, 9279, 12519, 13403, 22791, 24921, 27837, 37557, 40209, 68373, 73201, 98761, 110317, 120627, 205119, 219603, 296283, 330951, 361881, 658809, 888849, 951613, 992853, 1434121, 1976427, 2666547, 2854839, 2978559, 4302363, 7832507, 8564517, 12907089, 23497521, 25693551, 38721267, 70492563, 101822591, 211477689, 305467773, 916403319, 2749209957]

約数ペア:

[(1, 2749209957), (3, 916403319), (9, 305467773), (13, 211477689), (27, 101822591), (39, 70492563), (71, 38721267), (107, 25693551), (117, 23497521), (213, 12907089), (321, 8564517), (351, 7832507), (639, 4302363), (923, 2978559), (963, 2854839), (1031, 2666547), (1391, 1976427), (1917, 1434121), (2769, 992853), (2889, 951613), (3093, 888849), (4173, 658809), (7597, 361881), (8307, 330951), (9279, 296283), (12519, 219603), (13403, 205119), (22791, 120627), (24921, 110317), (27837, 98761), (37557, 73201), (40209, 68373)]