385281981

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3461}}^1$

素因数の和:3527

約数の個数: 64

約数和(自身を含む): 709017600

約数和(自身を除く): 323735619

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 57, 63, 93, 133, 171, 189, 217, 279, 399, 513, 589, 651, 837, 1197, 1767, 1953, 3461, 3591, 4123, 5301, 5859, 10383, 12369, 15903, 24227, 31149, 37107, 65759, 72681, 93447, 107291, 111321, 197277, 218043, 321873, 460313, 591831, 654129, 751037, 965619, 1380939, 1775493, 2038529, 2253111, 2896857, 4142817, 6115587, 6759333, 12428451, 14269703, 18346761, 20277999, 42809109, 55040283, 128427327, 385281981]

約数ペア:

[(1, 385281981), (3, 128427327), (7, 55040283), (9, 42809109), (19, 20277999), (21, 18346761), (27, 14269703), (31, 12428451), (57, 6759333), (63, 6115587), (93, 4142817), (133, 2896857), (171, 2253111), (189, 2038529), (217, 1775493), (279, 1380939), (399, 965619), (513, 751037), (589, 654129), (651, 591831), (837, 460313), (1197, 321873), (1767, 218043), (1953, 197277), (3461, 111321), (3591, 107291), (4123, 93447), (5301, 72681), (5859, 65759), (10383, 37107), (12369, 31149), (15903, 24227)]