26891319

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 17621961

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 719, 959, 1781, 2157, 2877, 5033, 5343, 9347, 12467, 15099, 28041, 37401, 65429, 98503, 196287, 295509, 689521, 1280539, 2068563, 3841617, 8963773, 26891319]

約数ペア:

[(1, 26891319), (3, 8963773), (7, 3841617), (13, 2068563), (21, 1280539), (39, 689521), (91, 295509), (137, 196287), (273, 98503), (411, 65429), (719, 37401), (959, 28041), (1781, 15099), (2157, 12467), (2877, 9347), (5033, 5343)]