12784989

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 20643840

約数和(自身を除く): 7858851

約数列:

[1, 3, 7, 21, 31, 41, 93, 123, 217, 287, 479, 651, 861, 1271, 1437, 3353, 3813, 8897, 10059, 14849, 19639, 26691, 44547, 58917, 103943, 137473, 311829, 412419, 608809, 1826427, 4261663, 12784989]

約数ペア:

[(1, 12784989), (3, 4261663), (7, 1826427), (21, 608809), (31, 412419), (41, 311829), (93, 137473), (123, 103943), (217, 58917), (287, 44547), (479, 26691), (651, 19639), (861, 14849), (1271, 10059), (1437, 8897), (3353, 3813)]