1261122009

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{5449}}^1$

素因数の和:5669

約数の個数: 32

約数和(自身を含む): 1958860800

約数和(自身を除く): 697738791

約数列:

[1, 3, 7, 21, 103, 107, 309, 321, 721, 749, 2163, 2247, 5449, 11021, 16347, 33063, 38143, 77147, 114429, 231441, 561247, 583043, 1683741, 1749129, 3928729, 4081301, 11786187, 12243903, 60053429, 180160287, 420374003, 1261122009]

約数ペア:

[(1, 1261122009), (3, 420374003), (7, 180160287), (21, 60053429), (103, 12243903), (107, 11786187), (309, 4081301), (321, 3928729), (721, 1749129), (749, 1683741), (2163, 583043), (2247, 561247), (5449, 231441), (11021, 114429), (16347, 77147), (33063, 38143)]