1289741391

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{47657}}^1$

素因数の和:47791

約数の個数: 24

約数和(自身を含む): 1942921344

約数和(自身を除く): 653179953

約数列:

[1, 3, 9, 31, 93, 97, 279, 291, 873, 3007, 9021, 27063, 47657, 142971, 428913, 1477367, 4432101, 4622729, 13296303, 13868187, 41604561, 143304599, 429913797, 1289741391]

約数ペア:

[(1, 1289741391), (3, 429913797), (9, 143304599), (31, 41604561), (93, 13868187), (97, 13296303), (279, 4622729), (291, 4432101), (873, 1477367), (3007, 428913), (9021, 142971), (27063, 47657)]