81139989

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1103}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 128876544

約数和(自身を除く): 47736555

約数列:

[1, 3, 7, 21, 31, 93, 113, 217, 339, 651, 791, 1103, 2373, 3309, 3503, 7721, 10509, 23163, 24521, 34193, 73563, 102579, 124639, 239351, 373917, 718053, 872473, 2617419, 3863809, 11591427, 27046663, 81139989]

約数ペア:

[(1, 81139989), (3, 27046663), (7, 11591427), (21, 3863809), (31, 2617419), (93, 872473), (113, 718053), (217, 373917), (339, 239351), (651, 124639), (791, 102579), (1103, 73563), (2373, 34193), (3309, 24521), (3503, 23163), (7721, 10509)]