31319457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 48206592

約数和(自身を除く): 16887135

約数列:

[1, 3, 13, 17, 39, 51, 97, 221, 291, 487, 663, 1261, 1461, 1649, 3783, 4947, 6331, 8279, 18993, 21437, 24837, 47239, 64311, 107627, 141717, 322881, 614107, 803063, 1842321, 2409189, 10439819, 31319457]

約数ペア:

[(1, 31319457), (3, 10439819), (13, 2409189), (17, 1842321), (39, 803063), (51, 614107), (97, 322881), (221, 141717), (291, 107627), (487, 64311), (663, 47239), (1261, 24837), (1461, 21437), (1649, 18993), (3783, 8279), (4947, 6331)]